Answer Happy

1 atm pressure A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) piston cylinder From previous experiments, this chemical reaction is known to release 101. kJ of energy. water bath gases The position of the piston is monitored, and it is determined from this data that the piston does 240. kJ of work on the system during the reaction. Is the reaction exothermic or endothermic? O exothermic O endothermic xto O up Х $ ? Does the temperature of the water bath go up or down? O down Oneither O in Does the piston move in or out? O out O neither O in Does heat flow into or out of the gas mixture? O out O neither How much heat flows? Round your answer to 3 significant digits. kJ