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13 Dec 2019

8.10 L of nitrogen has at 302 K has a pressure of 1.92 atm. If the pressure changes to 2.53 atm and the temperature cools to 138 K, what will the new volume be?

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17 Dec 2019
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Please help with these practice problems.

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Applying Ideal Gas Laws Problems

Name: ________________________

1. A sample of hydrogen gas at a temperature of 40 K changes its volume from 50 liters to 30 liters. What is the new temperature after the reduction in volume?

2. A sample of radon gas at 300 kPa and 120 0C, and cools down to 80 0C. What is the new pressure if the number of moles and volume remains the same?

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4. What happens to the pressure inside a rigid container if the amount of nitrogen gas increases from 0.500 mole to 0.750 mole? The original pressure is 98.0 kPa, and the temperature remains constant.

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A dramatic classroom demonstration involves cooling a balloon from room temperature (298 K ) to liquid nitrogen temperature (77 K).

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L , what will its volume be after it cools? (Assume constant pressure.)

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