One mole of an ideal gas increases its volume in a reversible isothermal expansion by a factor of 3. What is the change in entropy of the gas in J/K? Enter a number with one digit behind the decimal point.A Carnot engine working between two heat baths of temperatures 288 C and 0 \"C completes each cycle in 4.5 s. In each cycle, the engine absorbs 11.5 U of heat. Find the power of the engine in W. Enter an integer