#7: 4.40 L of a gas is collected at 50.0 °C. What will be its volume upon cooling to 25.0 °C? #8: 5.00 L of a gas is collected at 100. K and then allowed to expand to 20.0 L. What must the new temperature be in order to maintain the same pressure? #9: A 5.0 L container of gas has a temperature change such that the final temperature is 4 times more than the initial. What is the size of the container after the temperature change? #10: 10.0 L of a gas is found to exert 97.0 kPa at 25.0 °C. What would be the required temperature (in Celsius) to change the pressure to standard pressure?

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