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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 319. 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 system does 293. kJ of work on the piston 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 reaction absorb or release energy? How much energy does the reaction absorb or release? Be sure your answer has the correct number of significant digits. Explanation Check O exothermic O endothermic up Odown Oneither O in out Oneither absorb O release O neither kJ X Ś MacBook Air 1 atm pressure gases piston cylinder water bath C © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessi

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 319. 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 system does 293. kJ of work on the piston 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 reaction absorb or release energy? How much energy does the reaction absorb or release? Be sure your answer has the correct number of significant digits. Explanation Check O exothermic O endothermic up Odown Oneither O in out Oneither absorb O release O neither kJ X Ś MacBook Air 1 atm pressure gases piston cylinder water bath C © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessi

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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esc 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 319. 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 system does 293. kJ of work on the piston 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 reaction absorb or release energy? How much energy does the reaction absorb or release? Be sure your answer has the correct number of significant digits. Explanation Check O exothermic 80 ο οο ο ο ο ο ο 000 O endothermic Oup Odown Oneither O in O out Oneither absorb O release Oneither TRADA 3 F4 F5 0.0 X S MacBook Air *** F6 F7 E DII FB 1 atm pressure ( gases F9 piston ) cylinder © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessil water bath A F10 C F11 C C E
Transcribed Image Text:esc 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 319. 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 system does 293. kJ of work on the piston 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 reaction absorb or release energy? How much energy does the reaction absorb or release? Be sure your answer has the correct number of significant digits. Explanation Check O exothermic 80 ο οο ο ο ο ο ο 000 O endothermic Oup Odown Oneither O in O out Oneither absorb O release Oneither TRADA 3 F4 F5 0.0 X S MacBook Air *** F6 F7 E DII FB 1 atm pressure ( gases F9 piston ) cylinder © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessil water bath A F10 C F11 C C E
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