Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. heat added: Calculate the amount of heat, in calories, that must be added to warm 96.8 g of ethanol from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. heat added: Calculate the amount of heat, in calories, that must be added to warm 96.8 g of wood from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. cal cal
Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. heat added: Calculate the amount of heat, in calories, that must be added to warm 96.8 g of ethanol from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. heat added: Calculate the amount of heat, in calories, that must be added to warm 96.8 g of wood from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. cal cal
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.108QE
Related questions
Concept explainers
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
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Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C to 42.4 °C. Assume no
changes in state occur during this change in temperature.
26
per x
T
Calculate the amount of heat, in calories, that must be added to warm 96.8 g of ethanol from 21.3 °C to 42.4 °C. Assume no
changes in state occur during this change in temperature.
G
JA
effe X CDC He: X
Calculate the amount of heat, in calories, that must be added to warm 96.8 g of wood from 21.3 °C to 42.4 °C. Assume no
changes in state occur during this change in temperature.
62
Y
H
U
J
10 X
8
1
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9
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No X
No
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O
eth X
0
Sm x Sm x +
0/D
00 39
HR MIN SEC
Р
Resources
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Fin
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Next
cal
cal
cal
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Transcribed Image Text:Per x M Inb x
31799#/7231799/2/0
ted 13 out of 16
16
P11
Essentials of General, Organic, and Biochemistry
Denise Guinn
THIRD EDITION
The table lists the specific heat values for brick, ethanol, and wood.
Specific Heats of Substances
Substance
Brick
Ethanol
Wood
heat added:
P
S
per: X
20
effe x CDC He: X
JA
6
Specific Heat
0.20
0.58
0.10
B
10 X
4
gºC
Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C to 42.4 °C. Assume no
changes in state occur during this change in temperature.
W
4
Calculate the amount of heat, in calories, that must be added to warm 96.8 g of ethanol from 21.3 °C to 42.4 °C. Assume no
changes in state occur during this change in temperature.
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8
No X
9
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0
Sm X
00 39
HR MIN SEC
0/R
Sm x
Resources
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presented by Macmillan Learning
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