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.) The temperature of the water bath is monitored, and it is determined from this data that 291. kJ of heat flows into the system during the reaction. The position of the piston is also monitored, and it is determined from this data that the piston does 249. kJ of work on the system during the reaction. exothermic Is the reaction exothermic or endothermic? ロ。 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 O neither O absorb Does the reaction absorb or release energy? release O neither How much energy does the reaction absorb or |kJ release? Round your answer to 3 significant の

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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.)
The temperature of the water bath is monitored, and it is determined from this data that 291. kJ of heat flows into the
system during the reaction. The position of the piston is also monitored, and it is determined from this data that the
piston does 249. kJ of work on the system during the reaction.
exothermic
Is the reaction exothermic or endothermic?
ロ。
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
O neither
O absorb
Does the reaction absorb or release energy?
release
O neither
How much energy does the reaction absorb or
|kJ
release? Round your answer to 3 significant
の
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.) The temperature of the water bath is monitored, and it is determined from this data that 291. kJ of heat flows into the system during the reaction. The position of the piston is also monitored, and it is determined from this data that the piston does 249. kJ of work on the system during the reaction. exothermic Is the reaction exothermic or endothermic? ロ。 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 O neither O absorb Does the reaction absorb or release energy? release O neither How much energy does the reaction absorb or |kJ release? Round your answer to 3 significant の
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