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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.) From previous experiments, this chemical reaction is known to absorb 176. kJ of energy. The temperature of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic endothermic up down neither in out Oneither does work work is done on it Oneither 1 atm pressure gases piston cylinder 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Ce

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 absorb 176. kJ of energy. The temperature of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic endothermic up down neither in out Oneither does work work is done on it Oneither 1 atm pressure gases piston cylinder 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Ce

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 42P
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OTHERMOCHEMISTRY Understanding the definitions of heat and work The tenure of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic Oendothermic Ⓒup Odown 00000 neither in out Oneither does work work is done on it neither X S gases Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Tern
Transcribed Image Text:OTHERMOCHEMISTRY Understanding the definitions of heat and work The tenure of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic Oendothermic Ⓒup Odown 00000 neither in out Oneither does work work is done on it neither X S gases Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Tern
Understanding the definitions of heat and work 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 absorb 176. kJ of energy. The temperature of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic endothermic up down Oneither in out Oneither does work work is done on it neither KJ X MacBook Air 1 atm pressure gases piston cylinder water ba 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center
Transcribed Image Text:Understanding the definitions of heat and work 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 absorb 176. kJ of energy. The temperature of the water bath is monitored, and it is determined from this data that 377. kJ of heat flows out of the system during the reaction. Is the reaction exothermic or endothermic? Does the temperature of the water bath go up or down? Does the piston move in or out? Does the gas mixture do work, or is work done on it? How much work is done on (or by) the gas mixture? Round your answer to 3 significant digits. Explanation Check exothermic endothermic up down Oneither in out Oneither does work work is done on it neither KJ X MacBook Air 1 atm pressure gases piston cylinder water ba 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center
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