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Byju's Answer
Standard VII
Physics
Temperature
What is room ...
Question
What is room temperature?
how to measure specific heat?
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Solution
a comfortable temperature that is not too hot or too cold.
a temperature of from 59° to 77°F (15° to 25°C) that is suitable for human occupancy and at which laboratory experiments are usually performed.
The
specific heat
is the amount of
heat
per unit mass required to raise the temperature by one degree Celsius.
Q=cm∆T
Q=heat added
c=specific heat
∆T=temperature change
m=mass
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Similar questions
Q.
The molar specific heat of the process
V
∝
T
4
for
C
H
4
gas at room temperature is:
Q.
Given below are observations on molar specific heats at room temperature of some common gases
Gas
Molar specific heat
(
C
v
)
(
c
a
l
m
o
l
−
1
K
−
1
)
Hydrogen
4.87
Nitrogen
4.97
Oxygen
5.02
Nitric oxide
4.99
Carbon monoxide
5.01
Chlorine
6.17
The measured molar specific heats of these gases are markedly different from those for monatomic gases. Typically molar specific heat of a monatomic gas is 2.92 cal/mol K. Explain this difference. What can you infer from the somewhat larger (than the rest ) value for chlorine ?
Q.
The molar heat capacity of chromium at room temperature is
X
J
K
−
1
m
o
l
−
1
and atomic mass is
52
. Specific heat capacity of chromium is
Q.
How does specific heat change with temperature?
Q.
Which one of the following substances has highest specific heat capacity at room temperature and atmospheric pressure ?
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