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Artyom0805 [142]
3 years ago
13

The Kinetic Molecular Theory (KMT) is discussed in this lesson, and it helps us understand the behavior of gases. From what we l

earned, which of these statements are NOT consistent with KMT? A.The size of the actual gas particles is small compared to the volume of the whole gas. B.The average energy of the particles is dependent on the molecular mass of the particle. C.There is a large distance between gas particles as compared to their relative size. D.Gas particles do not repel each other. E.All of the above statements are part of the Kinetic Molecular Theory.
Chemistry
1 answer:
kiruha [24]3 years ago
5 0

Answer:

B

Explanation:

The average kinetic energy of the particles of gases is directly proportional to the absolute temperature in kelvin and all gases at the same temperature have the same average kinetic energy, it not  that average energy of the particles is dependent on the molecular mass of the particle.

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For the equilibrium: 2 NO (g) <----> N2(g) + O2 (g), Kp=2400. If initially, only NO is present at a partial pressure o
Thepotemich [5.8K]

The reaction is           2 NO (g) <----> N2(g) + O2

partial pressures

Initial                                 37.30          0          0

Change                            -2p                +p        +p

Equilibrium                          37.30-p        p          p

Kp = pN2 X pO2 / (pNO)^2

2400 = p^2 /  (37.30-p)^2

3339096 - 179040p + 2400p^2 = p^2

2399p^2 + 3339096  -179040 p = 0

On solving

p = 36.55atm

Thus partial pressure of N2 and O2 = 36. 55 atm


5 0
3 years ago
Read 2 more answers
Which of the following statements correctly distinguishes between an acidic and a basic solution? . A. An acidic solution contai
azamat
Acids are ionic compounds that break apart in water to form a hydrogen ion. The strength of an acid is based on the concentration of hydrogen ions in a solution. The more hydrogen ions, the stronger the acid. Bases are ionic compounds that break apart in water to form negatively charged hydroxide ions. The strength of the base is based on the concentration of hydroxide ions. 
Hence, letter C is the correct answer.
3 0
3 years ago
Identify the correct order of electron transfers in the electron transport chain starting from FADH2.
Damm [24]

Answer:

FADH₂ → Q coenzyme → Complex III → c cytochrome → Complex IV → O₂

Explanation:

During oxidative phosphorylation, the electrons from NADH and FADH₂ are combined with O₂ and the energy released in the process is used to synthesize ATP from ADP.

The components of the electron transport chain are located in the internal part of the mitochondrial membrane in eukaryotic cells, and in the cell membrane in bacteria. The transporters in the electron transport chain are organized into four complexes in the inner mitochondrial membrane. A fifth complex then couples these reactions to the ATP synthesis.

Complex II receives the electrons from the succinate, which is an intermediary in the Krebs cycle. These electrons are transferred to the FADH₂ and then to the Q coenzyme. This liposoluble molecule will transport the electrons from Complex II to Complex III. In this complex, the electrons are transferred from the <em>b</em> cytochrome to the <em>c</em> cytochrome. This <em>c </em>cytochrome, which is a peripheric membrane protein located in the external part of the inner membrane, then transports the electrons to Complex IV where finally they are transferred to the oxygen.

6 0
3 years ago
Acetylene (C2H2), an important fuel in welding, is produced in the laboratory when calcium carbide (CaC2) reacts with water: CaC
Anastaziya [24]

Answer:

There are 1.287 grams of acetylene collected

Explanation:

Total gas pressure = 909 mmHg

Vapor pressure of water = 20.7 mmHg

Pressure of acetylene = 909 mmHg - 20.7 mmHg = 888.3 mmHg

1mmHg = 1 torr

22 ° C + 273.15 = 295.15 Kelvin

Ideal gas law ⇒ pV = nRT

⇒ with p = pressure of the gas in atm

⇒ with V = volume of the gas in L

⇒ with n = amount of substance of gas ( in moles)

⇒ with R = gas constant, equal to the product of the Boltzmann constant and the Avogadro constant (62.36 L * Torr *K^−1 *mol^−1)

⇒ with T = absolute temperature of the gas (in Kelvin)

888.3 torr * 1.024 L = n * 62.36 L * Torr *K^−1 *mol^−1 * 295.15 K

n = 0.04942 moles of C2H2

Mass of C2H2 = 0.04942 moles x 26.04 g/mole = 1.287 g

There are 1.287 grams of acetylene collected

6 0
3 years ago
How many moles are there in 3.612 x 1024 formula units of Na2SO4?
vitfil [10]

Answer:

<h3>Theanswer is 6 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{3.612 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\

We have the final answer as

<h3>6 moles</h3>

Hope this helps you

5 0
3 years ago
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