Arrange the organic compounds from most soluble in water to least soluble in water.a. CH4 b. CH3OH c. CH3OCH3

Answers

Answer 1

The solubility of organic compounds in water can vary widely. Here is the order of solubility of the compounds you listed, from most to least soluble:

CH3OH (methanol) is highly soluble in water.CH3OCH3 (dimethyl ether) is moderately soluble in water.CH4 (methane) is not very soluble in water.

The solubility of a compound in water can depend on a variety of factors, such as the chemical structure of the compound, temperature, and the presence of other substances. Solubility is the ability of a substance, known as the solute, to dissolve in a solvent to form a homogeneous solution. The solubility of a compound is usually expressed in terms of the maximum amount of the compound that can dissolve in a given amount of solvent at a particular temperature.

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Related Questions

suppose you start with 247g of ice at 0 oc. calculate the amount of heat energy that must be transferred to convert the ice to steam at 100 oc.

Answers

753.25 kj  is the amount of heat energy that must be transferred to convert the ice to steam at 100 oc.suppose you start with 247g of ice at 0 oc.

E = mct

Where E is the energy for a phase change, m is the mass of the object, c is the specific heat capacity and t is the change in temperature.

So ignoring the latent heats' at present we can deduce that the energy required to raise the temperature of a 250g (0.25kg) block of ice by 100 degrees Celsius is:

E = 0.25*4.19*100 = 104.75kJ

Now the latent heats' tell you the energies absorbed when the ice changes state from solid to liquid to gas. This increase in energy does not change the temperature as it is used solely to create the intermolecular bonds that give rise to a change of state.So to find the total heat energy required for the conversion of the ice to steam, we just need to add the latent heats' of fusion and vaporisation.Note that the latent heats are given per kilogram so so they need to be multiplied by the mass of the ice block; this gives:

E = 104.75 + 0.25(334 + 2.26X10^3) = 104.75 + 0.25(2594) = 753.25kJ

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According to the law of conservation of mass, why is the addition of calcium considered a mistake in a particular chemical equation?.

Answers

According to the law of conservation of mass, it is considered a mistake to add calcium to the product side if it is not in the reactant side of a particular chemical equation because the masses of the products and reactants must be the same.

What is a Chemical equation?

This is referred to as the symbolic representation of a chemical reaction in the form of symbols and formulae and depicts the compounds and states of matter involved.

According to the law of conservation of mass, the masses and elements of the products and reactants must be the same. Therefore, adding calcium to the product side is considered a mistake if it is not in the reactant side of a particular chemical equation because it is impossible to produce calcium from nowhere.

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The full question is:

According to the law of conservation of mass,why is it considered a mistake to add calcium to the product side if it is not in the reactant side of a particular chemical equation

The electronegativities of the period-3 elements are listed on the transparency. Calculate the
electronegativity differences for the following pairs of bonded period-3 atoms.

NA and CI
Si and CI
Mg and S
AI and P
and
Si and S

Answers

The electronegativities of the period-3 elements are on the transparency. AI and P, Si and S are  period-3 elements. Therefore, option D and E are correct.

What is electronegativity ?

The propensity of an atom of a certain chemical element to draw shared electrons when forming a chemical bond is known as electronegativity and is denoted by the symbol. The atomic number and the separation of the valence electrons from the charged nucleus have an impact on an atom's electronegativity.

Chlorine has a 3.0 electronegativity, compared to sodium's 0.9. Because of the rather large differential of 2.1, sodium and chlorine combine to produce an ionic compound. With hydrogen's electronegativity being 2.1 and oxygen's being 3.5, there is a 1.4 discrepancy.

Thus, option D and E are correct.

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draw the major product formed when the given epoxide reacts with aqueous acid. an epoxide where carbon 1 has an ethyl and hydrogen substituent and carbon 2 has two methyl groups. this reacts with h 3 o plus and water.

Answers

An epoxide is a heterocyclic organic compound with an oxygen ring. The acid protonates the oxygen, which opens the ring and starts the process.

What exactly is carbocation?

A carbocation is a molecule with three bonds and a positively charged carbon atom. To put it simply, they are essentially carbon cations. It was previously known as carbonium ion. A carbocation is any even-electron cation having a significant positive charge on the carbon atom.

Because of an incomplete octet, carbon cations are particularly reactive and unstable in general.

To put it simply, carbocations do not meet the octet rule because they lack eight electrons.

According to the question, carbon hybridization in carbocation will be sp2 with a trigonal planar structure. There is also an empty p orbital, suggesting that it is electron-deficient. Carbon contains six electrons in its valence shell. As a result, it is an electron-deficient species, also known as an electrophile.

An epoxide is a heterocyclic organic compound with an oxygen ring. The acid protonates the oxygen, which opens the ring and starts the process. A carbocation is now generated, which is quickly attacked by a water molecule.

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An epoxide is a heterocyclic organic compound with an oxygen ring. The acid protonates the oxygen, which opens the ring and starts the process.

What exactly is carbocation?

A carbocation is a molecule with three bonds and a positively charged carbon atom. To put it simply, they are essentially carbon cations. It was previously known as carbonium ion. A carbocation is any even-electron cation having a significant positive charge on the carbon atom.

An epoxide is a heterocyclic organic compound with an oxygen ring? The acid protonates the oxygen, which opens the ring and starts the process. A carbocation is now generated, which is quickly attacked by a water molecule.

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what volume of methane () is required to react with 155 liters of carbon tetrachloride according to the following reaction? (all gases are at the same temperature and pressure.)

Answers

The volume of methane (CH4) is required is 131 L.

What is methane?

Having only one  carbon atom and four hydrogen atoms, methane is the most basic hydrocarbon. Effective greenhouse gas is methane. Here, four illustrations of methane used by chemists are displayed. Carbon appears light grey and hydrogen white in the coloured models. Worldwide, methane is used as fuel despite being flammable.

What is reaction?

One or more chemicals, sometimes referred to as reactants, are transformed into one or more distinct compounds, known as products, during a chemical reaction. Chemical elements and compounds are both substances.

CH4(g) + CCl4(g) 1  2CH2Cl2(g)

At same temperature and pressure, the moles of gases are proportional to their volumes.

Thus, at same temperature and pressure, 1 L of CCl4 react with 1 L of CH4

131 L of CCl4 react with 131 L of CH4.

the volume of methane (CH4) is required = 131 L

Therefore, the volume of methane (CH4) is required is 131 L.

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what is the heat of combustion of ethane, c2h6, in kilojoules per mole of ethane? enthalpies of formation can be found in the

Answers

The heat of combustion of ethane is -1559.7 J/mol.

The equation of the reaction is;

2C₂H₆ (g) + 7O₂ (g) ⟶ 4CO₂ (g) + 6H₂O (l)

Hence;

ΔH°reaction = [4(-393.5) + 6(-285.8)] - [2(-84.7) + 7(0)]

ΔH°reaction =[(-1574) + (-1714.8)] + 169.4

ΔH°reaction = -3119.4 J/mol

If 2 moles of C₂H₆ produces -3119.4 J/mol

1 mole of C₂H₆ produces -1559.7 J/mol

What is the heat of combustion?

The heating fee (or electricity price or calorific value) of a substance, usually a fuel or food (see meals power), is the amount of heat launched at some stage in the combustion of a unique amount of it.The calorific fee is the entire strength released as heat while a substance undergoes complete combustion with oxygen below widespread conditions.

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What type of reaction is Ch₄ 2 o₂ → Co₂ 2 H₂o?

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It is a combustion process where the reaction CH₄ + O₂→ CO₂ + H₂O occurs.

The balanced chemical equation for the interaction between methane and oxygen gas, which results in the production of carbon dioxide and water, is,

CH₄ + O₂→ CO₂ + H₂O

As you can see from the process above, methane is being burned since oxygen is present. Along with water, methane also produces carbon dioxide.

We may infer from this that the reaction described above is a combustion reaction. It should be noted that the formation of new products as a result of the combination of two distinct reactants indicates that this reaction is likewise a type of combination reaction.

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Air pollutants regulated by the clean air act include all of the following EXCEPT? a. carbon dioxide b. particulates c. carbon monoxide d. sulfur dioxide.

Answers

Option (a) Carbon dioxide is not an air pollutant according to the clean air act prediction.

The air we breathe contain many pollutants. Air pollution can contain a mixture of solid particles, liquid droplets and gases from a variety of sources such as industry, motor vehicles, heating appliances, and tobacco smoke. Air pollution can also be generated by natural events such as bush fires and can contain windblown dust, pollen and mold spores. The composition of air pollution can vary greatly depending on the season the weather and the types and numbers of sources.

According to the clean air act, the EPA has identified six pollutants as “criteria” air pollutants because it regulates them by developing human health-based for setting permissible levels. These six pollutants are carbon monoxide, lead, nitrogen oxides, ground-level ozone, particle pollution and sulfur oxides.

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Examine the cell below. This cell would best be described as a

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Correct answer is b. Eukaryotic cell because it has nucleus and membrane bound organelles.

This image is that of an animal cell and animal cells are eukaryotic. The image shows a nucleus and membrane bound organelles.

What is the difference between eukaryotic cell and prokaryotic cell?

An animal cell is cell that has nucleus, cell membrane, cytoplasm and mitochondria. These are not found in plane cells.

The main difference between prokaryotes and eukaryotes is with regards to a membrane-bound nucleus. Most specifically, eukaryotes have a membrane-bound nucleus while the prokaryotes are without it.

Other differences are:

1) No prokaryotic cell has a nucleus; every eukaryotic cell has a nucleus.

2) Prokaryotic cells have no mitochondria; nearly every eukaryotic cell has mitochondria.

3) Prokaryotic cells have no organelles enclosed in plasma membranes; every eukaryotic cell has a nucleus and organelles, each enclosed in plasma membranes.

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How many bonding electrons does chlorine have?

Answers

Chlorine has 7 valence electrons

Compounds are made up of different kinds of atoms that are chemically combined. What do compounds have in common?.

Answers

Compounds have in common that they are composed of two or more different elements chemically combined in a fixed ratio.

Compounds have two main characteristics in common: they are composed of two or more different elements chemically bonded together, and they have properties that are different from those of the individual elements. Compounds are formed when atoms of two or more elements share electrons or when atoms transfer electrons from one atom to another. Different types of elements can be combined to form different compounds. For example, oxygen and hydrogen can form water, carbon and oxygen can form carbon dioxide, and nitrogen and oxygen can form nitrous oxide. The properties of a compound depend on the type of elements it is composed of and the way the atoms are chemically bonded together. Compounds are usually more stable than individual elements, and they can be broken down into simpler substances by chemical reactions.

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sugar is ____ in water for the two can be mixed honogeneously to form a ___?

Answers

Answer:

sugar is Soluble in water for the two can be mixed homogeneously to form a Solution

What is the product of the reaction of bromoethane with each of the following nucleophiles? a. CH3CH2CH2O− b. CH3C‚C- c. (CH3)3N d. CH3CH2S-

Answers

The entire bond-forming and bond-breaking process occurs in one step during the SN2 reaction.

When switching from tertiary to secondary to primary alkyl halides, the rate of reaction for SN2 increases. The opposite trend is present for SN1. The pace of reaction for the SN2 goes from primary (fastest) > secondary >> tertiary because steric hindrance rises as we move from primary to secondary to tertiary (slowest).

The alkyl halide and nucleophile both affect the pace of the reaction. It is a second order reaction as a result.

The nucleophile attacks the Br-bearing carbon's reverse side in the subsequent reactions, replacing it.

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a 10% aqueous naoh solution at 70 f is mixed with a 70% aqueous naoh solution at 200 f to form a solution containing 40% naoh. if the mixing is done adiabatically, what is the final temperature of the solution

Answers

The end temperature of the solution is 200 F, which is the same as the beginning temperature of the two solutions.

What exactly is adiabatic mixing?

Adiabatic mixing occurs when two chemicals are combined without exchanging heat with the surrounding environment. In other words, the mixing is done in an insulated container so that no heat is lost or acquired from the surroundings. This means that the end temperature of the combined substances will be the same as their beginning temperatures.

Because both solutions are aqueous sodium hydroxide solutions, we may assume that their heat capacities and masses are equivalent. As a result, we may equalise the mass and heat capacity terms:

C1× m1 = C2 × m2

As a result, the solution's end temperature equals the beginning temperature of the two solutions, which is 200 F.

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Arrange the following substances in order of decreasing magnitude of lattice energy. Rank the compounds in order of decreasing magnitude of lattice energy.a. MgOb. CaOc. NaFd. KCl

Answers

The lattice energy of the compounds is distributed in the following decreasing order of magnitude: MgO > CaO > NaF > KCl.

KCl or NaF, which has a higher lattice energy?

The lattice energy increases with increasing charge and decreasing ion size.(Refer to Coulomb's Law.)MgF2 > MgO.Following that, we can examine NaF and KCl (both of which have 1+ and 1-charges), as well as atomic radii.NaF will have a larger LE than KCl since Na is smaller then K and F was smaller than Cl.

MgO or CaO, which has a larger lattice energy?

MGO is more difficult than CaO, hence.This is because "Mg" (two-plus) ions are smaller than "Ca" (two-plus) ions in size.MgO has higher lattice energy as a result.

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when 3.0 mol cacl2 dissolves in water, how many moles of ions are in solution? a) 1.0 mole b) 3.0 moles c) 6.0 moles d) 9.0 moles e) 12 moles

Answers

The correct answer is option C

c) 6.0 moles

What is Combination Reaction?

We look forward to the outcomes of pleasant activities like putting furniture together and mixing materials to produce something wonderful. By itself, each element is not that fascinating. But if we combine all these distinct parts, we may create something more intricate and fascinating.

Similar to this, you may mix two or more reactants to create a new product in chemical processes. This reaction falls within the category of a combination reaction, often known as a synthesis reaction.

1 mole of calcium chloride = 111g

Therefore 222g of CaCl2 is equivalent to 2 moles of CaCl2

Since 1 formula unit CaCl2 gives 3 ions,

therefore, 1 mol of CaCl2 will give 3  moles of ions  2 moles of CaCl2 would give 3×2

=6 moles of ions.

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How many moles are at STP?

Answers

No. of moles at STP = Volume at STP (litres) / Molar volume at STP (litres)

The temperature of 273 K and pressure of 1 atmosphere are known as standard temperature and pressure. At STP, one mole of any gas will have a volume of 22.4 L. This volume is known as molar volume of a gas at STP. The formula to find out the number of moles at STP is

No. of moles at STP = Volume at STP (litres) / Molar volume at STP (litres)

Example: How many moles are in 224mL of CO2 at STP?

Standard volume=22.4 L

It means that 1 mole of any atom, molecule or ion occupies 22.4 L of volume at STP (Standard Temperature and Pressure)

1 mole of CO2 = 22.4 L

Given volume = 224 mL = .224 L ( 1 L = 1000 mL)

No. of moles in .224 L = Given volume/Standard volume

= .224/22.4 = 0.01 mole

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Which choice is not true of a liquid in a glass capillary with a convex meniscus?a. The liquid has strong cohesive forces.b. The liquid level will be lower inside the capillary when a capillary is inserted into a bowl of the liquid.c. The liquid will have a convex meniscus as it moves in the capillary.d. The behavior of the liquid is driven by strong interactions with the capillary glass.

Answers

The correct answer is the liquid level will be lower inside the capillary when a capillary is inserted into a bowl of the liquid.

When a liquid is placed in a glass capillary with a convex meniscus, the behavior of the liquid is driven by strong cohesive forces between the liquid molecules and strong interactions with the capillary glass. As a result, the liquid will have a convex meniscus, meaning that the surface of the liquid will be curved outward. This is due to the forces acting on the liquid in the capillary. However, when a capillary is inserted into a bowl of the liquid, the liquid level inside the capillary will be higher than the liquid level outside the capillary. This is because the cohesive forces between the liquid molecules are stronger inside the capillary, where the liquid is in contact with the walls of the capillary, than they are outside the capillary. As a result, the liquid will be pulled up the walls of the capillary, causing the liquid level inside the capillary to be higher than the liquid level outside the capillary. This is opposite to what is stated in choice b, which is why it is the correct answer.

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How do you find moles of gas at STP?

Answers

No. of moles at STP = Volume at STP (litres) / Molar volume at STP (litres)

The temperature of 273 K and pressure of 1 atmosphere are known as standard temperature and pressure. At STP, one mole of any gas will have a volume of 22.4 L. This volume is known as molar volume of a gas at STP. The formula to find out the number of moles at STP is

No. of moles at STP = Volume at STP (litres) / Molar volume at STP (litres)

Example: How many moles are in 224mL of CO2 at STP?

Standard volume=22.4 L

It means that 1 mole of any atom, molecule or ion occupies 22.4 L of volume at STP (Standard Temperature and Pressure)

1 mole of CO2 = 22.4 L

Given volume = 224 mL = .224 L ( 1 L = 1000 mL)

No. of moles in .224 L = Given volume/Standard volume

= .224/22.4 = 0.01 mole

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Is calcium chloride better for concrete than sodium chloride?

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Yes, calcium chloride is better for concrete then sodium chloride because sodium chloride can damage the driveway.

Usually calcium chloride solution is used to melt the ice on the driveways and walkways.

Sodium chloride is used for this purpose as well. But sodium chloride can damage the concrete.

Calcium chloride has a very low freezing point, it form a pellets over the walkways with stops further damage to the concrete.

This thing is not possible in the case of sodium chloride. There is always a risk that there will be a greater damage to the concrete.

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Write the balanced chemical equation for the reaction between nitrogen oxygen. Include physical states.

Answers

The balanced chemical equation for the reaction between nitrogen and oxygen is as:

2N₂ (g) + 2O₂ (g) —> 4NO (g)

The following is the equation that can be written to describe the relationship between nitrogen and oxygen:

    N₂(g) + O₂(g) —> NO (g)

The equation that was just discussed can be balanced in the following way: On the left side, there are two atoms of oxygen, whereas, on the right side, there is only one. To achieve equilibrium, write 2 in front of NO, as seen in the following example:

   N₂(g) + O₂(g) —> 2NO (g)

When we multiply the equation by 2, we get the following:

    2N₂(g) + 2O₂(g) —> 4NO (g)

The equation is balanced now.

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Alkaline mucus made by this gland neutralizes traces of acidic urine in the urethra prior to ejaculation.a. Trueb. False

Answers

Answer:

True hope this is the correct answer if not sorry

Explanation:

The citric acid cycle is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. there are eight enzymes involved in the citric acid cycle.
a. True
b. False

Answers

True.A due to the fact that 8

A 3. 92-g sample of magnesium nitrate, mg(no3)2, contains ________ mol of this compound.

Answers

A sample of magnesium nitrate contains 0.026 mole of the compound which is calculated from the expression of Moles of the compound.

magnesium nitrate, Mg(NO3)2 containing volume of 3.92g.

Moles = grams of sample * 1 mole of compound /  molar mass

The molar mass of a compound tells you the mass of 1 mole of that substance. In other words, it tells you the number of grams per mole of a compound.

Molar mass of magnesium nitrate is 148.3 g/ mole.

Moles of Mg (NO3)2 = 3.92 g * 1 mole of Mg 9NO3)2 / 148.3 g /mole

                                    = 3.92 / 148.3  mole

                                    = 0.026 mole

so the mole of the compound Mg(NO3)2 is 0.026 mole .

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calculate the final molarity of h2o2 if 5.7 ml of a 3.0% w/w h2o2 solution, which has a density of 1.0 g/ml, is added to 5.7 ml of a starch-iodide solution.

Answers

The final molarity is 0.44 M, of H₂O₂ in a given solution.

What is Molarity?

Molecules per litre (mol/L) are the units used to measure molarity. It is so widely used that it has its own symbol, a capital (M). A solution with a 5 mol/L concentration is referred to as a 5 M solution or as having a 5 molar concentration.

What is the Solution?

A particular kind of homogenous mixture made up of two or more substances is known as a solution. A solute is a substance that has been dissolved in a solvent, which is the other substance in the mixture.

calculation:

3.0% w/w H₂O₂ solution

100 grams of H₂O₂ contains 3.0g of H₂O₂

So, 100 mL of H₂O₂ solution contains 3.0 g of H₂O₂

Density = 1g /mL

1000 mL of H₂0₂ solution contains=  ? g of H₂O₂

So, therefore,

density = 1g/ml = 3 g × 1000/100

= 30 grams

As we know that

Molarity = moles of solute/volume of solution in L

Moles = mass / molar mass

molarity = (mass/molar mass) x (1 / volume of Solution (L))

= (30g/34.0147g/mol) × (1/1L)

Molarity = 0.88 M

Now, Final molarity of H₂O₂= moles of H₂O₂ added / total volume

= 0.88 M × 5.7 mL / (5.7 + 5.7) mL

Final molarity = 0.44 M

Hence, the final molarity is 0.44 M, of H₂O₂.

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100 POINTS WILL MARK BRAINLIEST HELP

Answers

Answer:

A

Explanation:

10ml

PLEASE MARK AS BRAINLIEST

Two particles have the symbols Fe 54
26
2+ and Co 59
27
3+.
Which statement about these particles is correct?

Answers

The statement about cobalt and iron particle are incorrect.

What is Cobalt?

Cobalt is one of the element of periodic table. It has 27 as atomic number and 59 as mass number. The electronic configuration of cobalt is 1s2 2s2 2p6 3s2 3p6 4s2 3d7. It accept three more electrons to get stable electronic configuration of the noble gas. That's why it have -3 as valancy.

What is Iron?

Iron is one of the element of periodic table. It has 26 as atomic number and 56 as mass number. The electronic configuration of cobalt is 1s2 2s2 2p6 3s2 3p6 4s2 3d6. It accept four more electrons to get stable electronic configuration of the noble gas. That's why it have -4 as valancy.

Since the atomic mass of iron is incorrect which is 56 and valancy of cobalt is -3 but given valancy is +3. Therefore, the given Statments are incorrect.

Thus, we concluded that the statements about cobalt and iron particle are incorrect.

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which phenomenon that goes unexplained by lewis structures is solved by applying molecular orbital theory?

Answers

The paramagnetism of the O₂ molecule. Lewis structures would show O₂ as having all paired electrons, but it exhibits paramagnetism, which requires unpaired electrons. This issue can be solved by applying molecular orbital theory.

The electron is a subatomic particle with a bad standard electric charge. Electrons belong to the primary technology of the lepton particle's own family and are typically thought to be fundamental particles because they have no recognized additives or substructure.

By using the best values for the wavelength and the scattering by a matter of tough X-rays and ?-rays, the radius of the electron is anticipated as approximately 2 × 10-10 cm.

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if 30.7 grams of bromine trifluoride react to form 17.9 grams of bromine, how many grams of fluorine must simultaneously be formed?

Answers

if 30.7 grams of bromine trifluoride react to form 17.9 grams of bromine, 10.32g of fluorine must be formed simultaneously.

What is mole concept?

In chemistry for the calculation of large amounts of very small quantities such as atoms or molecules or other objects generally we use mole chemistry.

2BrF3 + Br2 → Br2+3F2

1mole Br2 formed = 3 mole F2 formed

159.80g Br2 formed = 3 × 30.7 g F2 formed

than 17.9 g Br2 formed = 3×30.7×17.9/ 159.80 g of F2

10.32 g of F2 is formed

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Water waves produced by a speed boat strike a floating inner tube. Describe the motion of the inner tube as the waves pass by.

Answers

While the waves pass by, the inner tube moves vertically. An inner tube that is floating is struck by speedboat water waves. Water waves cause energy to be transferred from a particle to another.

Without really moving the objects. The inner tube will therefore move vertically rather than horizontally as the waves pass by it. A particle is a tiny, localized object that can have various physical or chemical qualities, such as mass, density, or volume, according to the physical sciences. When the inner tube was inflated, it served as both a floating lounger and a water toy. The electrical-breakdown technique is used to remove the middle section of the outer tube, revealing the freely rotating inner tube.

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psychological stress is the sense that challenges and demands surpass ones current capacities, resources, and energies. which of these statements about stress are accurate and which are not? Can we construct a quadrilateral when its four sides and one diagonal is given *? 27.Which of the following words does NOT have a meaning similar to the other three?zenithmasterysuccessunwary janice is in the market for a new smartphone when she sees an ad online touting the new features of the latest samsung model. she had not thought about buying a samsung and doesnt know how much it costs, but the ad made her want to research this type of smartphone further. what feature of advertising does her response exemplify? latus rectum is equal to hald of its mojor axis and which passes through the point (6,1) What was the main cause of hostility between the US and Cuba during the Cold War? an elb is diverting traffic across 5 instances. one of the instances was unhealthy only for 20 minutes. what will happen after 20 minutes when the instance becomes healthy? Find the value of x and show work please !!! in vivo data from male mice with bpa levels of 2 parts per billion (ppb) indicate that their prostates are 20% larger than male mice without bpa exposure. what is the best conclusion from this experiment? employers who provide health insurance to their employees must ensure that the employees health information is not disclosed to unauthorized parties. 1. do you think that a sample of 800 residents of a city with a population of 150, 000 is a large enough sample to analyze the voting habits of all residents? you know that those 800 people all answered a phone survey administered via a landline. i am concerned about selection bias, representativeness of the sample, and external validity of the study. do you think my concerns are valid? can you offer solutions that would allow me to work with the data set and not go out and survey additional residents? Psychological perspectives exist:A. to explain the science of behavior.B. to enforce one particular way of looking at problems.C. to address the physical properties of the brain.D. so that there can be different ways of looking at psychologicalquestions. what supports general business processes and does not require any specific software customization to meet the organizations needs? What is the fastest healing part of the body? Arianna wants to start her beautician career in a reputable salon. She must pay $350 per month to rent her station space, $85 per month for the shared salon products and $182 start-up styling kit. Arianna has $623 in her savings account. How much will be left in her savings account after she pays for the above expenses?Responses$6$6$617$617$706$706$1240 all corrections for posting errors should be made in a way that leaves no question as to the correct amount.A.TrueB.false How do you love with an open heart? Find all solutions of the equation|x^2 - 30x - 1| + |x^2 - 30x + 29| = 30 question 31 pts a fair six-sided die is tossed 300 times. find the expected value of the sample mean of the values obtained in these 300 tosses (write it up to first decimal place). a speed walker covered 4 1/2mi in 3/4 hour how far will he walk in 3/4 hour if he walks twice as fast