A mixture ui 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.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to release 241. kJ of energy. rtim water bath gases The position of the piston is monitored, and it is determined from this data that the system does 286. kJ of work on the piston during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? O out O neither O in

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A mixtui e ui 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.)
1 atm pressure
piston
cylinder
From previous experiments, this chemical reaction is known to release 241. kJ of energy.
water bath
gases
The position of the piston is monitored, and it is determined from this data that the system does 286. kJ of work on the
piston during the reaction.
O exothermic
Is the reaction exothermic or endothermic?
O endothermic
O up
?
Does the temperature of the water bath go up or
down?
O down
O neither
O in
Does the piston move in or out?
out
O neither
O in
Does heat flow into or out of the gas mixture?
O out
O neither
How much heat flows? Be sure your answer has
the correct number of significant digits.
I kJ
Transcribed Image Text:A mixtui e ui 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.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to release 241. kJ of energy. water bath gases The position of the piston is monitored, and it is determined from this data that the system does 286. kJ of work on the piston during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up ? Does the temperature of the water bath go up or down? O down O neither O in Does the piston move in or out? out O neither O in Does heat flow into or out of the gas mixture? O out O neither How much heat flows? Be sure your answer has the correct number of significant digits. I kJ
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