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.) From previous experiments, this chemical reaction is known to release 326. kJ of energy. The position of the piston is monitored, and it is determined from this data that the system does 169. kJ of work on the piston during the reaction. exothermic Is the reaction exothermic or endothermic? endothermic up Does the temperature of the water bath go up or down? down neither O in Does the piston move in or out? out neither O O Ol O O O

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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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Is the reaction exothermic or endothermic?
O exothermic
O endothermic
O up
Does the temperature of the water bath go up or
down?
O down
O neither
O in
dlo
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.
Transcribed Image Text:Is the reaction exothermic or endothermic? O exothermic O endothermic O up Does the temperature of the water bath go up or down? O down O neither O in dlo 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.
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.)
1 atm pressure
piston
From previous experiments, this chemical reaction is known to release 326. kJ of energy.
cylinder
water bath
The position of the piston is monitored, and it is determined from this data that the system does 169. kJ of work on
the piston during the reaction.
gases
O exothermic
Is the reaction exothermic or endothermic?
O endothermic
dn O
O down
Does the temperature of the water bath go up or
down?
O neither
O in
Does the piston move in or out?
O out
O neither
Transcribed Image Text: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.) 1 atm pressure piston From previous experiments, this chemical reaction is known to release 326. kJ of energy. cylinder water bath The position of the piston is monitored, and it is determined from this data that the system does 169. kJ of work on the piston during the reaction. gases O exothermic Is the reaction exothermic or endothermic? O endothermic dn O O down Does the temperature of the water bath go up or down? O neither O in Does the piston move in or out? O out O neither
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