Question: How to solve this question please help me 4. A flexible leak-proof balloon, volume 1.00m3, was filled with hydrogen to a pressure of 1.00105Pa at

How to solve this question please help me

4. A flexible leak-proof balloon, volume 1.00m3, was filled with hydrogen to a pressure of 1.00105Pa at 293K. The balloon was then allowed to ascend to an altitude where the hydrogen pressure was 5104Pa, when the balloon had a volume of 1.66m3. (a) Calculate the number of moles of hydrogen in the balloon. (4 marks) (b) Calculate the atmospheric temperature at the upper altitude. (4 marks)

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