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6 December, 14:01

The air in a hot-air balloon at 757 torr is heated from 17.0°c to 36.0°c. assuming that the moles of air and the pressure remain constant, what is the density of the air at each temperature? (the average molar mass of air is 29.0 g/mol.)

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  1. 6 December, 16:33
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    Pv = nRT; n/V = p/rt; g/liter = moles/liters * 29.0g/mole
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