2. Identify two (2) unwanted sources ofheat loss and/or gain that may havecontributed to the error in theexperiment. Elaborate. CALORIMETRYHEAT OF FUSIONTrial 1Trial 2Mass of ice Mece (grams)7979Mass of warm water120119Mwater (grams)Initial temperature of waterTinitial (°C)4142Final temperature of mixtureTfinal (°C)-41Calculated heat of fusion of ice72.460.8Lexperimental (cal/g)Standard value of heat offusion of ice Ls,standard(cal/g)79.779.7Percentage error9.22%23.76%

In calorimetry it is assumed that the whole amount of heat energy being released by the hot body is…

Answered: Identify two (2) unwanted sources of…

Identify two (2) unwanted sources of heat loss and/or gain that may have contributed to the error in the experiment. Elaborate.

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 33P

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Question

2. Identify two (2) unwanted sources of
heat loss and/or gain that may have
contributed to the error in the
experiment. Elaborate.

CALORIMETRY
HEAT OF FUSION
Trial 1
Trial 2
Mass of ice Mece (grams)
79
79
Mass of warm water
120
119
Mwater (grams)
Initial temperature of water
Tinitial (°C)
41
42
Final temperature of mixture
Tfinal (°C)
-4
1
Calculated heat of fusion of ice
72.4
60.8
Lexperimental (cal/g)
Standard value of heat of
fusion of ice Ls,standard
(cal/g)
79.7
79.7
Percentage error
9.22%
23.76%

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