Mathematics, 05.06.2021 14:00 nmjohnson2025
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1. An automobile tire has a pressure of 210.0 kPa at 20.0oC. What will be the tire pressure after diving, if the tire temperature rises to 35.0oC? (221 kPa)
2. If a sample of gas has a volume of 355 mL at 44.1oC and 87.2 kPa, what will its volume be at STP? (263 mL)
3. A tank of compressed gas has a maximum safe pressure limit of 826 kPa. The pressure gauge reads 388 kPa when the temperature is 24.1oC. What is the highest temperature the tank can withstand safely? (632 K)
4. A gas occupies a volume of 560 cm3 at a temperature of 120.0oC. To what temperature must the gas be lowered, if it is to occupy 400.0 cm3? Assume a constant pressure.
5. If 122 mL of oxygen are collected at 27.5oC and 740 mmHg, what will the volume be of the dry gas at STP? (760 mmHg = 101.3 kPa)
6. A sample of neon gas has a volume of 0.261 L and a pressure of 108.5 kPa. What volume will the gas occupy at 96.5 kPa, if the temperature remains constant?
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