A hot-air balloon is filled with air to a volume of 4.00 10 3 m 3
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A hot-air balloon is filled with air to a volume of 4.00 × 103 m3 at 745 torr and 21oC. The air in the balloon is then heated to 62oC, causing the balloon to expand to a volume of 4.20 × 103 m3. What is the ratio of the number of moles of air in the heated balloon to the original number of moles of air in the balloon?
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