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CHM220H1 Study Guide - Isothermal Process, Ideal Gas, Cross-Linked Polyethylene

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7 Jan 2015

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5. (p1. 12) a balloon filled with 10. 50 l of ar at 18. 0 c and 1 atm rises to a height in the atmosphere where the pressure is 248 torr and the temperature is 30. 5 c. What is the final volume of the balloon? (p1. 8) in normal respiration, an adult exhales about 500. The exhaled air is saturated with water vapor at body temperature t = 310. K. at this temperature water vapor in equilibrium with liquid water has a pressure of p = Assume water vapor behaves ideally under these conditions. K from an initial pressure of 15. 0 bar to a final pressure of 3. 50 bar.

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Related Questions

In an experiment, 9.25 L of N_{2 is saturated with water vapor at 22C and then compressed to half its volume at constant temperature.}

_{a. What is the partial pressure of H2O in the compressed gas mixture?}

_{__________ torr}

b. What mass of water vapor condenses to liquid?

__________ grams

scarletmuskrat214

1.A gas sample has a volume of 235 $m L$ at 24 $^{\circ} C$ . What is its volume at 98 $^{\circ} C$ ?

2.A sample of ideal gas is in a sealed container. The pressure of the gas is 475

t o r r

, and the temperature is 2

^{\circ} C

. If the temperature changes to 88

^{\circ} C

with no change in volume or amount of gas, what is the new pressure,

P_{2} P_2

, of the gas inside the container?

Express your answer with the appropriate units.

3.Using the same sample of gas (

P_{1} P_1

t o r r

T_{1}

^{\circ} C

), we wish to change the pressure to 4750

t o r r

with no accompanying change in volume or amount of gas. What temperature

T_{2}

, in Celsius, is needed to reach this pressure?

Express your answer with the appropriate units.

4.A very flexible helium-filled balloon is released from the ground into the air at 20.

^{\circ} C

The initial volume of the balloon is 5.00

L

, and the pressure is 760.

m m H g

. The balloon ascends to an altitude of 20

k m

, where the pressure is 76.0

m m H g

and the temperature is

-

^{\circ} C

. What is the new volume,

V_{2} V_2

, of the balloon in liters, assuming it doesn't break or leak?

Express your answer with the appropriate units.

5.Consider 4.70

L

of a gas at 365

m m H g

^{\circ} C

. If the container is compressed to 2.80

L

and the temperature is increased to 36

^{\circ} C

, what is the new pressure,

P_{2} P_2

, inside the container? Assume no change in the amount of gas inside the cylinder.

Express your answer with the appropriate units.

As the temperature of a liquid is lowered, what happens to its vapor pressure?

As the temperature of a liquid is lowered, what happens to its vapor pressure?

Its vapor pressure is independent of temperature.

Its vapor pressure first rises then falls.

The vapor pressure may rise or drop depending on the liquid.

Its vapor pressure rises.

Its vapor pressure drops.