O exothermic Is the reaction exothermic or endothermic? endothermic O up Does the temperature of the water bath go up or down down? O neither O in Does the piston move in or out? O out neither absorb Does the reaction ahsorb eperov? release

Chemistry
10th Edition
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
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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 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
cylinder
water bath
gases
db
The temperature of the water bath is monitored, and it is determined
from this data that 105. kJ of heat flows out of the system during the
reaction. The position of the piston is also monitored, and it is
determined from this data that the piston does 331. kJ of work on the
system 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
in
Does the piston move in or out?
out
neither
absorb
Does the reaction absorb or release energy?
release
neither
How much energy does the reaction absorb or
release? Round your answer to 3 significant
digits.
O O10
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 cylinder water bath gases db The temperature of the water bath is monitored, and it is determined from this data that 105. kJ of heat flows out of the system during the reaction. The position of the piston is also monitored, and it is determined from this data that the piston does 331. kJ of work on the system 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 in Does the piston move in or out? out neither absorb Does the reaction absorb or release energy? release neither How much energy does the reaction absorb or release? Round your answer to 3 significant digits. O O10
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