document.write( "Question 1130921: An ideal gas is in contact with a heat reservoir so that it remains at constant temperature. A 1.9 kg mass placed on the piston causes the piston to drop by 24.0 cm. How much heat (in J) flows from the ideal gas to the reservoir? \n" ); document.write( "

Algebra.Com's Answer #747564 by ikleyn(52851) $\"\"$ $\"About$

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document.write( "Since linear dimensions are not given, it means that the change of internal energy of the gas due to the pressure and volume change \r\n" );
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document.write( "are not considered (are negligible). \r\n" );
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document.write( "Then the change of mechanical energy of the system is  delta(P) = mgh = 1.9 kg * 9.81 m/s^2 * 0.24 m = 4.473 joules.\r\n" );
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document.write( "This amount of energy transforms to the heat energy and goes from the ideal gas to the heat reservoir.\r\n" );
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document.write( "Answer.  4.473 joules of heat energy go from the ideal gas to the heat reservoir.\r\n" );
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