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 From previous experiments, this chemical reaction is known to absorb 156. kJ of energy. water ba The temperature of the water bath is monitored, and it is determiņed from this data that 372. kJ of heat flows out of the gases 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 O does work Does the gas mixture do work, or is work done on it? work is done on it neither

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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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
From previous experiments, this chemical reaction is known to absorb 156. kJ of energy.
water bat
The temperature of the water bath is monitored, and it is determiņed from this data that 372. kJ of heat flows out of the
system during the reaction.
gases
O 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
does work
Does the gas mixture do work, or is work done
on it?
work is done on it
neither
How much work is done on (or by) the gas
mixture? Be sure your answer has the correct
number of significant digits.
Explanation
Check
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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 From previous experiments, this chemical reaction is known to absorb 156. kJ of energy. water bat The temperature of the water bath is monitored, and it is determiņed from this data that 372. kJ of heat flows out of the system during the reaction. gases O 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 does work Does the gas mixture do work, or is work done on it? work is done on it neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of significant digits. Explanation Check © 2022 McGraw Hill LLC. AIl Rights Reserved. Terms of Use | Privacy Center MacBook Air
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