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3. How many kilojoules of heat must be absorbed or released to change the temperature of each of the following substances as indicated? (a) 40.0 g of water at 50.0°C to steam at 120.0°C (b) 35.0 g of liquid aluminum at its melting point of 558°C to solid at 10.0°C (c) 75.0 g of gaseous ethanol, C2H5OH, at 100.0°C to liquid at -20.0°C (d) 56.8 g of solid diethyl ether, (C2H6)2, at its melting pint of -116.0°C to vapor at the boiling point of 35.0°C (e) 55.0 g of liquid mercury at 55° to vapor at the boiling point of 357°C

3. How many kilojoules of heat must be absorbed or released to change the temperature of each of the following substances as indicated? (a) 40.0 g of water at 50.0°C to steam at 120.0°C (b) 35.0 g of liquid aluminum at its melting point of 558°C to solid at 10.0°C (c) 75.0 g of gaseous ethanol, C2H5OH, at 100.0°C to liquid at -20.0°C (d) 56.8 g of solid diethyl ether, (C2H6)2, at its melting pint of -116.0°C to vapor at the boiling point of 35.0°C (e) 55.0 g of liquid mercury at 55° to vapor at the boiling point of 357°C

Chemistry
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
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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3. How many kilojoules of heat must be absorbed or released to change the temperature of each of the following substances as indicated? (a) 40.0 g of water at 50.0°C to steam at 120.0°C (b) 35.0 g of liquid aluminum at its melting point of 558°C to solid at 10.0°C (c) 75.0 g of gaseous ethanol, C2H5OH, at 100.0°C to liquid at -20.0°C (d) 56.8 g of solid diethyl ether, (C2H6)2, at its melting pint of -116.0°C to vapor at the boiling point of 35.0°C (e) 55.0 g of liquid mercury at 55° to vapor at the boiling point of 357°C
Transcribed Image Text:3. How many kilojoules of heat must be absorbed or released to change the temperature of each of the following substances as indicated? (a) 40.0 g of water at 50.0°C to steam at 120.0°C (b) 35.0 g of liquid aluminum at its melting point of 558°C to solid at 10.0°C (c) 75.0 g of gaseous ethanol, C2H5OH, at 100.0°C to liquid at -20.0°C (d) 56.8 g of solid diethyl ether, (C2H6)2, at its melting pint of -116.0°C to vapor at the boiling point of 35.0°C (e) 55.0 g of liquid mercury at 55° to vapor at the boiling point of 357°C
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