In order for an ______________ rock
to be created, the rock must first
become _______________.

The substances Pyruvate and Oxaloacetat, would be glycogenic in mammals, if produced from the catabolism of an amino acid. Correct answer: numbers 2 and 4.

Pyruvate and oxaloacetate are the end products of the breakdown of certain amino acids (glucogenic amino acids) in the liver. These products can be converted into glucose, through a process known as gluconeogenesis. This process allows the body to maintain blood glucose levels even when dietary sources of glucose are not available.

Catabolism of an amino acid refers to the process of breaking down amino acid molecules into simpler molecules, such as:

This process releases energy that the body can use for other metabolic functions.

Which of the following substances, if produced from the catabolism of an amino acid, would be glucogenic (in mammals)?

1. Acetoacetate

2. Pyruvate

3. Acetyl-CoA

4. Oxaloacetate

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The use of fossil fuels is responsible for increased atmospheric CO2.

What is fossil fuel?

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The number of moles of gas present would be 0.43 mol.

The ideal gas law is mathematically expressed as the ideal gas equation and is written as:

pv = nRT

Where p is the pressure, v is the volume, n is the number of moles, R is the gas constant, and T is the temperature of the gas in kelvin.

In this case, the pressure of the gas is given as 4.7 atm, the volume is given as 2.3 L, R is 0.082057 L.atm.K-1.mol-1, and the temperature is given as 32 degree Celsius.

32 degree Celsium = 32 + 273 = 305 kelvin

Making n the subject in the above equation:

n = pv/RT

  = 4.7 x 2.3/0.082057x 305

   = 10.81/25.027385

   = 0.43 mol

In other words, the number of moles of gas present in a sample of nitrogen gas kept in a container of volume 2.3 L at a temperature of 32 degrees Celsius exerts a pressure of 4.7 atm is 0.43 mol.

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The final temperature of aluminum is 57.37°C
Q=mcΔT
This means that the amount of energy produced is equal to the mass of the system multiplied by its change of temperature and multiplied by its specific heat
ΔT=(x−27.5) °C
503.38 = 25 × 0.9 × (x - 35)
(x - 35) =  503.3 / 25 × 0.9
x = 57.37°C
What is specific heat constant?
The specific heat capacity c [J/(kg K)] of tissue describes how much energy is required to change the temperature of 1 kg of tissue by 1 K (=1°C). For example, the lower specific heat capacity of fat compared to other soft tissue indicates, that fat requires less energy to obtain a certain temperature increase. If we multiply specific heat capacity by mass density (ρ·c [J/(m3 K)]), we obtain the energy required to raise the temperature of 1 m3 of tissue by 1 K (=1°C)—that is, a quantity equivalent to a volume-specific heat capacity
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b. testing the hypothesis

A mutant yeast whose glycolytic pathway was shorter because of the presence of a new enzyme catalyzing the reaction: Glyceraldehyde 3-phosphate + H₂O + NAD⁺→ NADH + H⁺ + 3-phosphoglycerate  will shortening glycolysis and wouldn't benefit the cells (anaerobic cells) because ATP isn't being produced and energy gain will be equal to 0.

Using oxygen and the chemical energy from food, a cell can manufacture energy in the form of ATP through a sequence of chemical reactions known as cellular respiration.

The initial stage in the process of cellular respiration is glycolysis, which is also the only step in anaerobic respiration.

Additionally, the anaerobic processes that generate ATP from glyceraldehyde 3-phosphate (G3P) depend on the enzymes phosphoglycerate kinase and pyruvate kinase.

Anaerobic cells won't benefit from these enzyme mutations because they will impair ATP generation.

In conclusion, because ATP isn't being created and energy gain will be equal to zero, reducing the glycolytic pathway won't help the cells (anaerobic cells).

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Answer:

salt

Explanation: This is because salt (salt solution) contains more water than sugar. When it boils, the heat of the liquid water and vaporized salt combine to create a hot gas, which pressure forces out from the bottom of the container.

The mass of Na₂CO₃ needed to generate 0.0135 mole of CO₂ is 1.431 grams

We'll begin by obtaining the mole of Na₂CO₃ that reacted to produce 0.0135 mole of CO₂

Na₂CO₃ + 2HCl -> 2NaCl + H₂O + CO₂

From the balanced equation above,

1 mole of CO₂ was obtained from 1 mole of Na₂CO₃

Therefore,

0.0135 mole of CO₂ will also be obtained from 0.0135 mole of Na₂CO₃

Now, we shall determine the mass of Na₂CO₃ needed for the reation. Details below:

Mole = mass / molar mass

0.0135 = Mass of Na₂CO₃ / 106

Cross multiply

Mass of Na₂CO₃ = 0.0135 × 106

Mass of Na₂CO₃ = 1.431 grams

Therefore, the mass of Na₂CO₃ needed is 1.431 grams

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According to Newton's second law, force equals mass multiplied by acceleration. As a result, in a car accident, the force exerted by the vehicle and its occupants decreases as the time required for the vehicle to stop increases.

We clearly observed in the Exploration that when two cars collide, each feels a force from the other.

According to Newton's third law, when one object exerts a force on another, the second object feels an equal and opposite force exerted by the first object. This is very clear in the two-object collision.

The force with which your body is struck in a collision is referred to as crash force. Crash force is equal to your body weight multiplied by the vehicle's speed.

Newton's second law states that force equals mass multiplied by acceleration. As a result, the force exerted by the vehicle and its occupants in a car accident decreases as the time required for the vehicle to stop increases.

Thus, this way it hits the car.

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The molecular formula of C₆H₇N is  C₁₂H₁₄N₂; C₂HCl is C₆H₃Cl₃; C₅H₁₀NS₂ is C₁₀H₂₀N₂S₄

The molecular formula can be calculated from the empirical formula and molar mass as follows:

first we know that  the number of moles = subscript

So,

C has 6 moles

H has 7 moles

N has 1 mole

then we can Multiply moles by atomic mass to find molecular weight

therefore,

C = 6 × 12 =72

H =7 × 1 = 7

N = 1 × 14 = 14

to get the empirical weight we calculate by adding molecular weight

C+H+N = 72+7+14= 93

we know that molecular formula is (empirical formula )n

so we should find n by Divide molar mass by the empirical weight

186.24 ÷ 93 = 2

so molecular formula of C₆H₇N is (C₆H₇N)2 = C₁₂H₁₄N₂

first we know that  the number of moles = subscript

So,

C has 2 moles

H has 1 moles

Cl has 1 mole

then we can Multiply moles by molar mass to find molecular weight

therefore,

C = 2 × 12 = 24

H = 1 × 1 = 1

Cl = 1 × 35.5 = 35.5

to get the empirical weight we calculate by adding molecular weight

C+H+Cl = 24+1+35.5 = 60.5

we know that molecular formula is (empirical formula )n

so we should find n by Divide molar mass by the empirical weight

181.44 ÷ 60.5 = 3

so molecular formula of C₂HCl is (C₂HCl)3 = C₆H₃Cl₃  

first we know that  the number of moles = subscript

So,

C has 5 moles

H has 10 moles

N has 1 mole

S has 2 moles

then we can Multiply moles by atomic mass to find molecular weight

therefore,

C = 5 × 12 = 60

H = 10 × 1 = 10

N = 1 × 14 = 14

S = 2 × 32 =64

to get the empirical weight we calculate by adding molecular weight

C+H+N +S = 60+10+14 +64 = 148

we know that molecular formula is (empirical formula )n

so we should find n by Divide molar mass by the empirical weight

296.54 ÷ 148 = 2

so molecular formula of C₅H₁₀NS₂ is (C₅H₁₀NS₂)2 = C₁₀H₂₀N₂S₄

Your question is incomplete but most probably your full question was

From the given empirical formula and molar mass, find the molecular formula of each compound. C₆H₇N, 186.24 g/mol C₂HCl, 181.44 g/mol C₅H₁₀NS₂,296.54 g/mol

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The relationship between electron geometry, molecular geometry, orbital hybridization, and molecular polarity is:

These 4 aspects have a significant role in the characteristic of a molecule:

Orbital hybridization is the key to the other aspects. By determining an atom's s and p hybridization, we can analyze the molecular geometry. For example, an sp³ atom has tetrahedral geometry. Molecular geometry depends on the electron arrangement in atoms and molecules. The electron arrangement defines the electron clouds and affects the molecular polarity as well.

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Answer:

3 atoms

Explanation:

there are 2 atoms of hydrogen and 1 atom of oxygen

The Krebs cycle produces molecules necessary for function of the electron transport chain.

What is electron transport chain ?

The oxidative phosphorylation process, also known as oxidative phosphorylation, is a comprehensive system that produces ATP by coupling redox processes through a sequence of four protein complexes known as the electron transport chain. Cellular respiration and photosynthesis both involve it in mitochondria.

What is  Krebs cycle?

The Krebs cycle, also known as the TCA cycle or the citric acid cycle, is a sequence of enzyme-catalyzed processes taking place in the mitochondrial matrix where acetyl-CoA is oxidized to produce carbon dioxide and coenzymes are reduced to produce ATP in the electron transport chain.

Therefore, the Krebs cycle produces molecules necessary for function of the electron transport chain.

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Answer:

69.23g

Explanation:

Find out how many moles is in 9.89g of H2.

number of moles = mass(g) / molar mass

1 is the molar mass of hydrogen (to the nearest whole)

relative molecular mass of H2: 2*1 = 2

number of moles of H2 = 9.89/2 = 4.945

1 mol of H2 is produced from 2 mol of Li

so

4.945 mol of H2 produces 9.89 mol of Li

mass(g) = number of moles * molar mass

7 is the molar mass of Lithium (to the nearest whole)

mass = 9.89 * 7 = 69.23

69.23 grams of Li are needed to produce 9.89 of H2

The mass of ammonia formed if it were to be the only product would be 17 grams.

Nitrogen gas reacts with hydrogen gas to form ammonia gas according to the following balanced equation:

[tex]N_2 + 3H_2 --- > 2NH_3[/tex]

From the balanced equation of the reaction, the mole ratio of nitrogen to hydrogen gas is 1:3.

Recall that, mole = mass/molar mass

Thus, 14.01 g of nitrogen gas would be:

   14.01/28.02 = 0.5 mol

5.02 g of hydrogen gas would be:

   5.02/1.01 = 5.0 mol

Since the mole ratio from the balanced equation is 1:3, 0.5 mol nitrogen should require 1.5 mol hydrogen. In other words, 5.0 mol hydrogen is excess while 0.5 mol nitrogen is the limiting reactant.

The mole ratio of nitrogen to the ammonia produced is 1:2. Thus, the equivalent mol of ammonia gas produced would be:

0.5 x 2 = 1 mol

Mass of 1 mol ammonia = 1 x 17

                                        = 17 grams

Thus, the mass of ammonia gas that will be formed from 14.01 g sample of nitrogen gas and 5.02 sample of hydrogen gas would be 17 grams.

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At STP, the volume of one mole of any gas is 22.4 L. As per the given reaction, one mole or 22.4 L of Cl₂ gas gives one mole or 22.4 L of I₂ gas. Thus, 21 L of  Cl₂ gives 21 L of I₂ gas.

The volume occupied by one mole of a substance is called its molar volume. At standard temperature and pressure condition (STP), one mole of every substance contains 22.4 L .

One mole of Cl₂ gas at STP contains 22.4 L similarly one mole of I₂ contains 22.4 L. As per the reaction, one mole of Cl₂ give one mole of l₂. Thus, both are having equal volumes in this reaction.

Therefore, 21 L Cl₂ reacts to give 21 L l₂ at STP .

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Answer: 21 L i2 at STP

Explanation:

One mole of Cl₂ gas at STP contains 22.4 L similarly one mole of I₂ contains 22.4 L. As per the reaction, one mole of Cl₂ give one mole of l₂. Thus, both are having equal volumes in this reaction.

Therefore, 21 L Cl₂ reacts to give 21 L l₂ at STP .

Answer:

dissociation

correct answer mark brainliest

Answer:

Endothermic - Ice cubes absorbing the heat around them to melt into water.

Exothermic - Candle burning giving off heat into the atmosphere.

Answer:

he enthalpy of vaporization is 27.3 kJ/mol. The correct answer is therefore (C) 27.3 kJ/mol.

Explanation:

To find the enthalpy of vaporization, we can use the Clausius-Clapeyron equation, which relates the vapor pressure of a liquid to its enthalpy of vaporization. The equation is given by:

ln(P2/P1) = (delta Hvap / R) * (1/T1 - 1/T2)

where P1 and P2 are the vapor pressures at temperatures T1 and T2, respectively, delta Hvap is the enthalpy of vaporization, and R is the gas constant. In this case, we are given that the vapor pressure doubles when the temperature is raised from 298 K to 318 K, so P2 = 2 * P1. We can plug this into the equation and solve for delta Hvap to find the enthalpy of vaporization:

ln(2) = (delta Hvap / R) * (1/298 - 1/318)

delta Hvap = R * ln(2) / (1/298 - 1/318)

Plugging in the values, we get delta Hvap = 8.31 J/(K-mol) * ln(2) / (1/298 - 1/318) = 27.3 kJ/mol. The correct answer is therefore (C) 27.3 kJ/mol.

Answer:

E. all except

Explanation:

All except Water gas

The substances are formed from the remains of plants and animals are fossil fuels. Therefore, option E is correct.

An extracted and burned fossil fuel is a hydrocarbon-containing substance that naturally originated in the Earth's crust from the remains of extinct plants and animals. Coal, oil, and natural gas are the three primary fossil fuels.

Animal and plant remains are used to create fossil fuels. Coal, petroleum (oil), and natural gas are some of them. They are energy sources made of accumulated fossils of living things that were buried millions of years ago.

Microbes that break down the corpses of plants and animals, such as bacteria and fungi, are referred to as saprotrophs or decomposers. Saprotrophs separate these residues into organic and inorganic substances as they decompose them.

Thus, option E is correct.

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im not too sure but it should probably be B or D. if not sorry.

Chemical equation is a representation of a reaction that brings in chemical changeschanges. It is represented in word form and in symbols.

What is a chemical equation?

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The oxidation reaction: Ni → Ni⁴⁺ + 4e.

The reduction reaction: 2Cl₂ + 4e → 4Cl⁻.

What is Redox Reaction?

Redox or Oxidation-Reduction processes usually involve simultaneous oxidation and reduction reactions. In a chemical reaction, the material that is being reduced is referred to as the reducing agent, while the substance that is being oxidised is the oxidising agent.

The mentioned reaction: Ni + 2Cl₂ → NiCl₄.

It is an oxidation-reduction reaction comes from two half reactions.

The oxidation reaction: in it Ni losses 4 electrons and is oxidized to Ni⁴⁺ according to the reaction:

Ni → Ni⁴⁺ + 4e.

The reduction reaction: every molecule of Cl₂ will gain 2 electrons and is reduced to 2Cl⁻ according to the reaction:

2Cl₂ + 4e → 4Cl⁻.

The summation of the two-half reactions will give the reaction:

Ni + 2Cl₂ → NiCl₄.

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The reaction is:  2NO2(g) + F2 (g) =2NO2F (g)

Let us consider the order of the reaction i.e., a and b with respect to NO2 and F2.

So, the rate Law is: Rate = K [NO2] a [F2] b                                       ------- (i)

Where, K is the rate law constant

Now, for experiment no. 1

Rate = 0.026 = K (0.100) a (0.100) b                                       ----------(ii)

for experiment no. 2

Rate = 0.051 = K (0.200) a (0.100) b                                       ----------(iii)

for experiment no. 3

Rate = 0.103 = K (0.200) a (0.200) b                                       ----------(iv)

for experiment no. 4

Rate = 0.411 = K (0.400) a (0.400) b                                       ----------(v)

Now, dividing equation no. – (ii) by (i), we get

0.026/0.051 = {K (0.100) a (0.100)b} / K (0.200) a (0.100) b

1/2 = (1/2) a

a = 1

Now, dividing equation no. – (iii) by (ii), we get

0.051/0.103 = {K (0.200) a (0.100) b} / K (0.200) a (0.200) b

1/2 = (1/2) b

b = 1

Hence, the rate law expression is –

Rate = K [NO2]1 [F2]1

Rate = K [NO2] [F2]

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Frontier ethics explains that nature has an unlimited supply of resources. So, humans can use natural materials limitlessly. These ethics are sometimes considered as human interference in the matter of natural resources and the environment.  Harmony with nature is not possible if human will follow frontier ethics.  

Human manages and controls the natural environment. Human consumption of resources in unlimited ways was also discussed in frontier ethics. Natural laws are not followed in frontier ethics. According to frontier ethics, human development and economic growth are the most important issues.

In short, human attitudes and behavior toward nature are not so good. Here, humans are not much concerned about environmental problems. They only value their needs and desires.  

Therefore, the correct answer is (A).

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List the peak location in ppm, and the protons responsible for it labeled a-e in the structure is banana oil.

What is ppm ?

Reduction, which involves the exchange of electrons between species, is the process of gaining electrons or reducing an element's oxidation state in a chemical reaction. When the chemical reaction known as reduction occurs, the number of electrons that are bound to a single atom or a group of related atoms rises.

What is protons ?

Positively charged subatomic particles called protons fall into this category. The strong nuclear force is responsible for the protons' interconnection in an atom's nucleus. Subatomic particles without charge include neutrons (they are neutral).

Therefore, list the peak location in ppm, and the protons responsible for it labeled a-e in the structure is banana oil.

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a). the nuclear masses of nitrogen-14 is 14.11154 amu

b). the nuclear masses of titanium-48 is 48.38523 amu

c). the nuclear masses of xenon-129 is 130.042455 amu

Define nuclear mass.

The formula for calculating nuclear mass is M=ZM (p)+(A-Z)M (n), where M (p) and M (n) refer to the mass of protons and neutrons, respectively. Nuclear mass is the total mass of all the nucleons represented inside the nucleus.

a). Given, atomic mass of 7N14= 13.999234 amu

We, know

Mass of proton= 1.00727 amu

Mass of neutron= 1.008665 amu

A nucleus contains only neutron and proton. N14 nucleus contains 7 protons and 7 neutrons that is 14 nucleons.

Therefore, the total mass of protons and neutrons= nuclear mass

= (7*1.00727 amu) + (7*1.008665 amu)= 14.11154 amu

b). Given, atomic mass of 22Ti48= 47.935878 amu

We, know

Mass of proton= 1.00727 amu

Mass of neutron= 1.008665 amu

A nucleus contains only neutron and proton. N48 nucleus contains 22 protons and (48-22) =26 neutrons that is 48 nucleons.

Therefore, the total mass of protons and neutrons= nuclear mass

= (22*1.00727 amu) + (26*1.008665 amu)= 48.38523 amu

c). Given, atomic mass of 54Xe129= 128.904779 amu

We, know

Mass of proton= 1.00727 amu

Mass of neutron= 1.008665 amu

A nucleus contains only neutron and proton. N48 nucleus contains 54 protons and (129-54) =75 neutrons that is 129 nucleons.

Therefore, the total mass of protons and neutrons= nuclear mass

= (54*1.00727 amu) + (75*1.008665 amu)= 130.042455 amu

Therefore, a). the nuclear masses of nitrogen-14 is 14.11154 amu

b). the nuclear masses of titanium-48 is 48.38523 amu

c). the nuclear masses of xenon-129 is 130.042455 amu.

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Answer: true

Explanation:

Boyle's Law states both that as volume increases pressure decreases and that as pressure increases volume decreases. Explanation: Boyle's Law states that pressure and volume are inversely proportional, but also assumes that the material is a confined gas (so no amount of gas increases or decreases) and the temperature remains steady.

H2(g)+2ICl(g) → 2HCl(g)+I2(g)H2(g)+2ICl(g)→2HCl(g)+I2(g)

rate=k[HI][ICl]

What is Rate of Reaction?

The pace at which the products are created from the reactants in a chemical reaction is referred to as the rate of reaction. It provides some understanding of how quickly a response might occur. For instance, the combustion of cellulose in fire has a very rapid response rate and is finished in a fraction of a second.

The pace at which reactants change into products is known as the rate of reaction or reaction rate. It goes without saying that the pace at which chemical reactions take place varies greatly. While certain chemical reactions occur almost instantly, others often take time to achieve their ultimate equilibrium.

Rate of reaction=Amount of reactant used/Time taken for the                           consumption of the reactant

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