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3 years ago

11

How does temperature affect the vapor pressure of a liquid?

1 answer:

Mamont248 [21]3 years ago

3 0

Answer:

As the temperature of a liquid increases, the kinetic energy of its molecules also increases. As the kinetic energy of the molecules increases, the number of molecules transitioning into a vapor also increases, thereby increasing the vapor pressure.

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Which word best discribes entropy

salantis [7]

Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing useful work. Because work is obtained from ordered molecular motion, the amount of entropy is also a measure of the molecular disorder, or randomness, of a system.

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3 years ago

What is the temperature of 4.5 moles of a gas that occupies 50. mL at 1.35 atm?

devlian [24]

Answer:

$T = 0.182$ Kelvin

Explanation:

As we know that

$PV = nRT\\$

Where P is the pressure in atmospheric pressure

T is the temperature in Kelvin

R is the gas constant

V is the volume in liters

$R = 0.08206$

Substituting the given values in above equation, we get -

$1.35 * \frac{50}{1000}= 4.5 * 0.08206* T\\$

On rearranging, we get

$T = \frac{1.35*50}{1000*0.08206*4.5} \\$

$T = 0.182$ Kelvin

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3 years ago

What is the molality of a solution of 12.9 g of fructose (C6H12O6) in 31.0 g of water?

jasenka [17]

Answer:

2.31 $m$ C₆H₁₂O₆

Explanation:

Hope this helps

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3 years ago

How are the sensory clues from watching a fire different from the sensory clues from watching a firefly?

Mademuasel [1]

Answer:

watching a firefly is much different than watching a fire because watching a fire can make you hot and watching a firefly can make you happy

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3 years ago

Which technology was essential for the development of the cell theory?

vodka [1.7K]

Answer: Microscope

Explanation: This is a kid answering :)

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3 years ago