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]
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter1: Matter, Energy, And Measurement
Section: Chapter Questions
Problem 1.86P: 1-86 The specific heats of some elements at 25oC are as follows: aluminum = 0.215 cal/g · oC; carbon...
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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
dar
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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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