An ideal gas is enclosed in a piston, and exactly of work is done on the gas. as this happens, the internal energy of the gas increases by exactly during this process, how much heat flows into or out of the ideal gas? enter a positive number to indicate a heat flow into the gas or a negative number to indicate a heat flow out of the gas.

Bag of bolts weight 29.4n

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If the heat engine is a perfect carnot cycle engine, thenefficiency = (t2-t1)/t2   where t1=temperature of cold reservoir ( ° k) = 135            t2=temperature of hot reservoir ( ° k)   = 325thereforeefficiency = (t2-t1)/t2 = (325-135)/325 = 0.5846 = 58%  note: this is the theoretical maximum efficiency of a perfect heat engine.   real-life engines do not achieve this value.