The correct order for the hydrolysis of sucrose reaction is sucrose(H2O)>sucrase>glucose>fructose.
Hydrolysis of sucrose:When sucrose is hydrolyzed, glucose and fructose are mixed in a 1:1 ratio. The primary component of honey is this concoction. It is known as invert sugar because the presence of the optical isomers of the mixture of glucose and fructose sugars causes the angle of the specific rotation of plain polarized light to change from a positive to a negative value.A water molecule aids in breaking the acetal bond during the hydrolysis of any di- or poly saccharide, as shown in the red diagram. The acetal bond is broken, and the oxygen on the glucose is combined with the H from the water. The carbon on the fructose is then given the -OH.For more information on sucrose kindly visit to
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Objective: Represent solutes and reactions in aqueous solutions, and write molecular, complete lonic
and net ionic equations.
Question: Write a balanced molecular equation, complete lonic equations, and net lonic equation for
the precipitation reaction between aqueous Copper (II) Nitrate and aqueous Potassium Sulfide.
Include explanations for determining the chemical formulas of the reactants and products, their phases,
and discussion of the types of reaction equations in your answer.
The reaction between Potassium sufide and copper nitrate is as follows:
Cu(NO3)₂ (aq) + K₂S (aq) ---> CuS (s) + 2KNO₃ (aq). It is a precipitation reaction.
In this reaction, copper(II) nitrate is reacting with potassium sulfide to form copper sulfide and potassium nitrate. Copper sulfide is insoluble in water, so it will precipitate out of the solution as a solid.
Cu(NO3)₂ (aq) + K₂S (aq) ---> CuS (s) + 2KNO₃(aq)
This is a precipitation reaction where the products are a solid and two aqueous solutions. The chemical formulas of the reactants are Copper (II) Nitrate and Potassium Sulfide. The products are Copper Sulfide and Potassium Nitrate. The phases of the reactants are aqueous, and the products are solid and aqueous.
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In the reaction H₂ + I₂ --> 2HI, what is the oxidation number of the hydrogen in the HI reactant? (2 pts)
*
2 points
-1
0
1
2
The oxidation number of hydrogen in HI will be 1.
The integer allocated to each element in a chemical combination would be the simplest definition of the oxidation number. The variety of electrons that atoms in such a molecule could share, lose or gain during forming chemical connections involving other atoms of such a specific item would be referred as the oxidation number.
HI = 0...(i)
The oxidation number of iodine is -1
Put the value of oxidation number of iodine in equation (i),
HI = 0
H × (-1) =0
H = 1
Therefore, the oxidation number of hydrogen in HI will be 1.
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What is the name for N2P3?
a) Triphosphorus Dinitride
b) Dinitrogen Triphosphide
c) Nitrogen Monophosphide
d) Nitrogen Phosphide
Answer:
Dinitrogen trioxide (triphosphide)
Explanation:
1. You have two one-mole samples of a substance in its solid state. The purple solid has a
mass of 240 grams, while the blue solid has a mass of 130 grams. Which is the
hydrated version of the substance?
The purple solid salt that has a mass of 240 grams is the hydrated salt.
What are hydrated salts?Hydrated salts are salts that contain water molecules in their crystals. These water molecules are known as the water of crystallization.
The water of crystallization in salt is the number of moles of water that combines with one mole of a given salt.
Hydrated salts usually weigh more than salts that are not hydrated.
Also, in some salts, a combination with water in their crystals results in the formation of salt that is colored.
Salts that are hydrated can lose some or all of their water of crystallization when they are heated.
Considering the two salts given:
two one-mole samples of a substance in its solid state; The purple solid has a mass of 240 grams, while the blue solid has a mass of 130 grams.
The heavier salt will definitely be the hydrated salt.
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A buffer solution is prepared by adding NH4CIto a solution of NH3 (ammonia).NH3(aq) + H2O(0) = NH4+ (aq) + OH-(aq)What happens if HCl is added?
ANSWER
The addition of HCl will shift to reactants
EXPLANATION
When some strong acid is added to a buffer, the equilibrium is shifted to the left, and the hydrogen ion concentration increases by less than expected for the amount of strong acid added. Buffer solution helps in adjusting the pH of a substance.
Since the HCl is a strong acid, it will shift to the left (reactant sides)
35. The dual nature of light deals with light as __________and light as ___________:
The dual nature of light deals with light as particles and as waves.
Dual nature of lightThe dual nature of light refers to the inherent characteristic of light to behave as waves on one hand and to behave as particles on another hand.
Light behaves as a special kind of wave known as an electromagnetic wave. Light behaves as waves in a different types of phenomena. These include:
light diffractioninterferencepolarizationLight has a wavelength, frequency, and velocity and has the ability to reflect, refract, interfere, and diffract just like a typical wave.
Light behaves as particles in two phenomena. These are:
Compton effectPhotoelectric effectLight has energy and moment just like every other particle.\
Due to these 2-face abilities, light is considered both a particle and a wave.
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a solution is made by titrating 9.00 mmol (millimoles) of ha and 1.00 mmol of the strong base. what is the resulting ph?
The resulting pH for the given solution is 6.3.
A titration is defined as 'the manner of figuring out the quantity of a substance A with the aid of including measured increments of substance B, the titrant, with which it reacts until precise chemical equivalence is performed (the equivalence factor).
calculation:-
Using Henderson–Hasselbalch equation
pK = pKa + log₁₀(A⁻/AH)
4.35 = pKa + log (1/9)
pKa = 5.3
Now at the equivalence point
pH = 5.3 + log (9/1)
pH = 6.25 or 6.3
Titration is a common laboratory method of quantitative chemical analysis to determine the awareness of an identified analyte. A reagent, termed the titrant or titrator, is prepared as a popular answer of known attention and extent.
Titration which is also referred to as titrimetry is a chemical qualitative evaluation technique this is used to calculate the concentration of a given analyte in an aggregate. Titration is an essential method within the discipline of analytical chemistry and is occasionally called volumetric analysis also.
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how many hydrogen atoms are in 3Fe(OH)2
Answer:
six
Explanation:
This is kinda like 3 * (Fe + 2O + 2H) which would be SIX hydrogen atoms ( or 3 hydrogen molecules)
please help now!!! 20 braily points!!!
Hydrogen atom and chlorine atom makes hydrogen chloride molecules.
It is the lowest point in the substance and possesses chemical elements. Atoms don't exist on their own; instead, they combine to create ions and molecules, which combine to create the substances that we can see, feel, and touch.
One or more atoms joined together by covalent (chemical) connections make up molecules. Atoms can be imagined as circles with a central nucleus (consisting of protons and neutrons) and one or more concentric circles surrounding it that represent the "shells" or "levels" in which the electrons surrounding the atom's nucleus are located as well as markings that distinguish the electron. every level
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assuming you start with 1.25 g of pure aluminum, calculate the following: 1) the amount of potassium hydroxide, k o h , in grams, needed to react with all of the 1.25 g of a l . the reaction is:
The amount of mass potassium hydroxide (KOH) required to react with every 1.25 g of aluminum is 2.58 g.
The amount of mass potassium hydroxide (KOH) required can be calculate as follow:
as we know;
Mass of pure aluminum = 1.25g
Molar mass of KOH = 56 g/mol
The chemical reaction of a given element is given by:
[tex]2Al + 2 KOH + 6H_2O = > 2K^{+} +2Al(OH)^{4-} +3 H^{+}[/tex]
From the above reaction, we can deduce that:
2 mol AL ----- 2 mol KOH
How many moles of aluminum are needed for 1.25g?
[tex]n Al =\frac{ g}{mw} \\n Al =\frac{ 1.25}{27}\\nAl = 0.046 moles[/tex]
The mass of KOH required for 0.046 moles of aluminum is calculated as:
Mass Required = 0.046 x 56
Required mass = 2.58 g
Therefore, the amount of mass potassium hydroxide (KOH) required to react with every 1.25 g of aluminum is 2.58 g.
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QUESTION 2
The appearance of the Moon on June 27, 2012 is shown. Which of the following best shows the predicted appearance of the Moon
on July 4, 2012?
Predicted appearance of the Moon on July 4, 2012 is close to a full moon
The moon phase for july 4th 2012 is a wanning gibbous phase and this is the first phase after the full moon where the illumination of the moon decreases each day until it reaches 50% means the last quarter phase on this day the moon is 14.05 days old and 99.98% illuminated with a tilt of 187.208° and the approximate distance from earth to moon is 265.226.10 km and moon sign is Capricorn
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will mark brainliest pls answer tyty
Answer:
it's D for sure
Explanation:
don't forget to follow rate like
What is electrical insulation?
Answer:
An electrical insulator is a material in which electric current does not flow freely
Explanation:
Could someone please help me w these questions on atoms and bonding?
1. It takes a lot of energy to break all of the bonds because the ions in this big structure are tightly bound. It has a high melting point because of this.
2. Its ions are unrestricted in the molten state. Therefore, electricity can flow through molten magnesium oxide.
Why is molten magnesium required for electrolysis?In order for electrolysis to take place, ionic compounds must be molten or in solution. The reason for this is that the ions—the charged particles that make them up—need to be able to freely move to the electrodes.
Why is magnesium oxide utilized as interior lining?Some furnace linings are made from magnesium oxide. It is known as a refractory material, which simply means that it has a high thermal conductivity.
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classify each substance as a pure substance. or a mixture copper whitch consists of only one kind of atom a solution of sugar dissolved in water carbon dioxide which has two atoms of oxygen for each atom of carbon seawater which can be purified by filtering it
Answer:
1. copper is a pure substance
2. sugar dissolved in solution (sometimes called a homogeneous mixture) is a mixture of sugar and water (the sugar and water don't react with each other)
3. carbon dioxide is a pure substance because there are only CO2 molecules
4. seawater is a mixture of salt, water, and other things
what is the hydronium ion concentration in a solution of hcl that has a ph of 4.65? round to the nearest hundredth.
2.2387×10⁻⁵ M is the concentration of hydronium ion in a solution of HCL that has a ph of 4.65.
What is a hydronium ion?The term "hydronium" refers to the sort of oxonium ion created by protonating water, the aqueous cation H3O+. When an Arrhenius acid is dissolved in water, it is frequently thought of as the positive ion present since the surrounding water molecules get a proton from the Arrhenius acid molecules.
Hence, 2.2387×10⁻⁵ M is the concentration of hydronium ion in a solution of HCL that has a ph of 4.65.
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Covalent compounds are formed when metals are bonded to nonmetals? True or Flase
Answer:
Covalent compounds are always formed between two non-metals.
Explanation:
The answer is FALSE!
Covalent compounds are always formed between two non-metals. The non-metal can not lose electrons they can only gain the electron or they can share the electron to complete its octet.
Hope this helps!
Answer:
The covalent compounds are always formed by 2non-metal elements, so the answer is false
How is benzene produced/created? (would appreciate images too if possible)
Benzene can be produced by the use of three molecules of etheyne as shown.
What is benzene?The term benzene is a compound that is aromatic in nature. When we say that the compound is aromatic we mean that the compound is also satisfies the Huckel rule and there are [4n + 1] number of pi electrons in the molecule.
We can make a mole of benzene when we heat three moles of ethyne to a very high temperature. We have to recall that benzene is made up of three double bonds that are resonating and that the compound is quite stable. It does not undergo an addition reaction but it does undergo a substitution reaction.
The way that we can be able to produce benzene by the use of three molecules of ethyne have been shown in the image attached to this answer.
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The mass In grams of fluorine in a sample of MgF 2 that contains 20.1 grams of magnesium is:A)10.6 grams B)6.4 grams C)42.4 grams D)16.5 grams
1. In order to answer this one and the next one, we will use mass percentage as our guide, since every compound has a mass percentage for each element, and this is found by checking the total mass and the separate masses of each element, for example, MgF2, the mass percentage is 39% for Mg and 61% for F2, this is due to their molar mass, 24g for Mg and 38g for F2
We have 27.1 g of Mg, and this will always correspond for 39% of the total mass of the compound, so we can do the following math:
100% = x
39% = 27.1g
x = 69.5 grams is the total mass of MgF2, now we only have to subtract the value of Mg and then we will have F2
69.5 - 27.1 = 42.4 grams, this is the mass of Fluorine
2. The same step by step from the previous question, 36% of the total mass is Al and 64% is S, but this question has a little difference, now we have the mass of the compound, but the process is very similar
100% = 50.2 grams
64% = x grams
x = 32.1 grams, which can be considered as letter A
please help now 20 brainly points!!!
[tex]H. .:C^ :_:[/tex] is the lewis structure of HCl
Dots are used to indicate the locations of electrons surrounding the atoms in a molecule's Lewis structure, while lines or pairs of dots stand in for covalent bonds between atoms. The goal of creating a Lewis dot structure is to locate lone electron pairs in molecules in order to better understand how chemical bonds are formed. Both molecules with covalent bonds and coordination compounds can have Lewis structures. Covalent bonds share electrons, which is the cause. It's more like one atom gives an electron to the other atom in an ionic connection.
Lewis structures bear his name because it was he who first proposed the concept in the 1916 paper "The Atom and the Molecule."
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why are many devices that we use powerd by electricity?
Answer:
Explanation:
Because they have electrical cords :P But really, b/c electron movement is a convenient attribute of many elements. The electrons are "loose" on most metals, so they can conduct electricity.
Answer:
The benefits of power electronics are: High power density power supplies. Improved efficiency of up to 99% in power conversion. Noise-sensitive applications such as in medical devices are also transitioning to switching power supplies because of the efficiency and reliability.
Why is this image an isotope of
Lithium
The image is an isotope of Lithium because the number of neutrons differs between the two atoms and the protons remains the same.
Isotopes are members of an element family that have the same number of protons but differ in the number of neutrons. Carbon-12, carbon-13, and carbon-14, for example, are three isotopes of the element carbon with mass numbers 12, 13, and 14, respectively.
In the image, both the atoms are of Lithium and in both the cases, the number of neutrons differs whereas the number of protons and electrons are the same. Lithium has two stable isotopes, Li-6 and Li-7, with the latter accounting for 92.5% of the element. Nuclear and biomedical scientists are also interested in lithium isotopes. The use of Li as a shielding material in nuclear reactors is one nuclear application.
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Create a model using images that would show what would happen to the igneous rock when it is exposed to different energy sources.
igneous is moved to Earth's surface and exposed to energy from the sun, it could weather into smaller rock pieces that could form sedimentary rock
what is the number of hybrid and unhybridized orbitals, respectively, that are associated with the carbon atom labeled "a" and the nitrogen atom labeled "b"?
Number of hybrid and hybridized orbitals of
Carbon atom: 2 - hybrid and 2 - unhybridized Nitrogen atom: 4 - hybrid and 0 - unhybridizedThe combination of two or more atomic orbitals is called a hybrid orbital. Hybrid orbitals overlap to form σ bonds. The regular atomic orbitals are the unhybridized orbitals. Unhybridized orbitals overlap to form π bonds.
Carbon: Carbon is a chemical element. It is denoted by C. Carbon's atomic number is 6.
In Carbon atoms labelled a, there are 2 σ bonds, 2 π bonds and 0 lone pairs.[tex]C_{a}[/tex] has sp hybridization.Nitrogen: Nitrogen is a chemical element. It is denoted by N. Nitrogen's atomic number is 7.
In Nitrogen atoms labelled b, there are 3 σ bonds and 1 lone pair.[tex]N_{b}[/tex] has sp3 hybridization.Therefore, the number of hybrid orbitals and unhybridized orbitals in,
⇒ Carbon atom ( [tex]C_{a}[/tex] ): 2 - hybrid and 2 - unbridized
⇒ Nitrogen atom ( [tex]N_{b}[/tex] ): 4 - hybrid and 0 - unhybridized
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The complete question is
What is the number of hybrid orbitals and unhybridized orbitals, respectively, that are associated with the carbon atom labelled "a" and the nitrogen atom labelled "b"?
Which of the following phrases best defines a redox (oxidation-reduction) reaction? (2 pts)
*
2 points
a reaction in which oxygen combines with different atoms
a reaction in which electrons are transferred between different atoms
a reaction in which electrons are released from the system
a reaction in which the number of oxygen atoms is reduced
Answer: A reaction in which electrons are transferred between different atoms
Explanation:
A redox reaction example:
oxidation: Zn(s) --> Zn^2+(aq) + 2e-
reduction: Cu^2+(aq) + 2e- --> Cu(s)
redox: Zn(s) + Cu^2+(aq) --> Zn^2+(aq) + Cu(s)
2 electrons are transferred between Zn and Cu.
pls answer question will mark brainliset tyty
Answer:
Answer is C,
Explanation:
It diminished local resources, decreasing the population.
What type of disturbances can cause earthquake waves to happen on earth? Check all that apply.
Bubbles
Asteroid impacts
Explosions
Slinkies
Volcanic eruptions
Crustal movement at the boundaries
The type of disturbances caused by earthquake waves include Volcanic eruptions and Explosions (Options C and E).
What are earthquake waves?The expression earthquake waves make reference to a wave of energy on the ground due to the breakdown of the Earth's crust as a consequence of an earthquake, which is a natural phenomenon that releases energy due to the friction between tectonic plates.
Therefore, with this data, we can see that earthquake waves release energy and it may be dangerous since may cause explosions and also volcanic eruptions in the zone of the earthquake.
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exactly fifty milliliters of water is measured out in a graduated cylinder . an object is dropped in the water. the level of the water rises to 75 milliliters. when taking the mass of an object on a triple- beam balance the three weights on the beam 100, 95, and 5 grams. what is the density of the object
The mass of an object on a triple- beam balance the three weights on the beam 100, 95, and 5 grams. then the density is 2.67 g / cm³.
What is density?Density is defined as the evaluation of how closely something is packed. Because it enables us to predict which compounds will float and which will sink in a liquid, density is a crucial notion.
Density can be expressed as
Density = mass / volume
Given
Mass = 100 + 95 + 5 /3
= 200 / 3
= 66.7 g
Volume = Initial volume - final volume
= 50 - 75
= 25 ml
Density = 66.7 / 25
= 2.67 g / cm³
Thus, the mass of an object on a triple- beam balance the three weights on the beam 100, 95, and 5 grams. then the density is 2.67 g / cm³.
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Heyy can you help me fill in the blanks? Thank youuuu
To vaporize water, which means turning liquid water into water vapor a the atomic bonds between water molecules must be broken. This requires a lot of heat of vaporization which is great for life on Earth, as it means most water is found as a vapor.
Water's energy of latent heat of vaporization is used when we sweat
Our body's heat is used to convert into the sweat from our body which cools us down. As it takes a lot of heat energy. it means we can sweat without losing too much water. Phew!
Water vapor is another form of water
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A beam of light has a wavelength of 280 nanometers. What is the frequency of the light? Show all work!
A beam of light has a wavelength of 280 nanometers. The frequency of the light is 1.07 × 10¹⁵ Hz.
the information in the question is given as :
wavelength of beam of light = 280 nm
the relation between the frequency and the wavelength is given as :
F = c / λ
where,
F = frequency of the light
c = speed of light
λ = wavelength of light
speed of light , c is = 3 × 10⁸ m/s
substituting all the value in the formula for the frequency, we get:
F = c / λ
F = 3 × 10⁸ / 280 × 10⁻⁹
F = 0.0107 × 10¹⁷ Hz
F = 1.07 × 10¹⁵ Hz
Thus, A beam of light has a wavelength of 280 nanometers. The frequency of the light is 1.07 × 10¹⁵ Hz.
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