Compressed air can be pumped underground into huge caverns as a form of energy storage. the volume of a cavern is 6.8 × 105 m3, and the pressure of the air in it is 8.6 × 106 pa. assume that air is a diatomic ideal gas whose internal energy u is given by . if one home uses 30.0 kw h of energy per day, how many homes could this internal energy serve for one day?
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