Name (please print): Heat Capacity of an Unknown Metal Post Lab Questions 1.) When determining the heat capacity of the unknown metal we assumed the heat capacity of the water has a value of 4.186J/g°C. Is there an error(s) in making this error? Explain The possibility of error in the experiment can be loss of heat, the thermometer not being precise enough to give accurate values, and the capacity of the thermometer is being ignored 2.) What is the heat energy needed to raise the temperature of 6.63moles of ethanol CH,CH;OH from a temperature of 2.33°C to 17.5°C. [CH,CH;OH-46.07g/mol) [Ccuscu2on=2.46Jg°C]
Name (please print): Heat Capacity of an Unknown Metal Post Lab Questions 1.) When determining the heat capacity of the unknown metal we assumed the heat capacity of the water has a value of 4.186J/g°C. Is there an error(s) in making this error? Explain The possibility of error in the experiment can be loss of heat, the thermometer not being precise enough to give accurate values, and the capacity of the thermometer is being ignored 2.) What is the heat energy needed to raise the temperature of 6.63moles of ethanol CH,CH;OH from a temperature of 2.33°C to 17.5°C. [CH,CH;OH-46.07g/mol) [Ccuscu2on=2.46Jg°C]
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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![Name (please print):
Heat Capacity of an Unknown Metal
Post Lab Questions
1.) When determining the heat capacity of the unknown metal we assumed the heat capacity of the water has a value of 4.186J/g®C. Is there an
error(s) in making this error? Explain
The possibility of error in the experiment can be loss of heat,
the thermometer not being precise enough to give accurate
values, and the capacity of the thermometer is being ignored
2.) What is the heat energy needed to raise the temperature of 6.63moles of ethanol CH;CH;OH from a temperature of 2.33°C to 17,5°C.
[CH;CH;OH=46.07g/mol) [Ccusch2ow-2,46J/g°C]
3.) What is the identity of an unknown metal that absorbs 0.589KJ of heat energy where the metal is heated from 33.6°C to 241.6°C. The mass of
the metal is 13.48g. [Cr= 0.160 J/g°C] [Cs»= 0.210 J/g°C] [Cc. = 0.385 J/g°C][Cz» = 0_390 J/g*C]
4.) How much encrgy is liberated when 600.2g of O, is reacted with propane in a combustion tank. Assume the following:
C,Hg) + 50;(g) – 3C0;(g)+ 4H;Og)
AH--2044kJ
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Transcribed Image Text:Name (please print):
Heat Capacity of an Unknown Metal
Post Lab Questions
1.) When determining the heat capacity of the unknown metal we assumed the heat capacity of the water has a value of 4.186J/g®C. Is there an
error(s) in making this error? Explain
The possibility of error in the experiment can be loss of heat,
the thermometer not being precise enough to give accurate
values, and the capacity of the thermometer is being ignored
2.) What is the heat energy needed to raise the temperature of 6.63moles of ethanol CH;CH;OH from a temperature of 2.33°C to 17,5°C.
[CH;CH;OH=46.07g/mol) [Ccusch2ow-2,46J/g°C]
3.) What is the identity of an unknown metal that absorbs 0.589KJ of heat energy where the metal is heated from 33.6°C to 241.6°C. The mass of
the metal is 13.48g. [Cr= 0.160 J/g°C] [Cs»= 0.210 J/g°C] [Cc. = 0.385 J/g°C][Cz» = 0_390 J/g*C]
4.) How much encrgy is liberated when 600.2g of O, is reacted with propane in a combustion tank. Assume the following:
C,Hg) + 50;(g) – 3C0;(g)+ 4H;Og)
AH--2044kJ
dar
To Do
A Notifications
M Inbox
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