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Class 11
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Physics
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Thermal Properties of Matter
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Heat and Temperature
Heat and Temperature
Revise with Concepts
Heat and Temperature
Example
Definitions
Formulaes
Temperature as Measure of Hotness and Coldness and It's Units
Example
Definitions
Formulaes
Learn with Videos
Introduction to Heat
5 mins
Hot and Cold
4 mins
Quick Summary With Stories
Introduction to Heat and Temperarture
3 mins read
Measurement of Temperature
3 mins read
Numericals Problem on Measuring Temperature
2 mins read
Temperature As Measure Of Hotness Or Coldness
3 mins read
Important Questions
In terms of Charles' law, explain why - 273
∘
C
is the lowest possible temperature.
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A circular metal loop is heated at point
O
as shown in above Figure.
i) In which direction would heat flow in the loop?
ii) In which order the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
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1
mole of
H
2
S
O
4
is mixed with
2
moles of NaOH. The heat evolved will be:
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The value of absolute zero temperature in Fahrenheit scale is
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When two bodies at different temperatures are placed in thermal contact with each other, heat flows from the body at a higher temperature until they both acquire the same temperature. Assuming that there is no loss of heat to the surroundings, then:
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Figure shows two flasks connected to each other. The volume of the flask 1 is twice that of flask 2. The system is filled with an ideal gas at temperature 100 K and 200 K respectively in the flasks. If the mass of the gas in 1 m, then what is the mass of the gas in flask 2 in equilibrium?
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Absolute zero can be defined as the temperature at which:
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A thermally isolated gaseous system can exchange energy with the surroundings. The mode of energy may be :
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For the reaction :
2
A
(
g
)
+
3
B
⟶
4
C
(
G
)
D
(
l
)
;
Δ
H
−
=
−
2
0
k
J
/
m
o
l
e
Find the heat evolved when
0
.
4
mole of A reacts with an excess of B in a closed rigid container. The temperature is constant at
3
0
0
K
. [R=8.3 J/K mole]
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The measure of degree of hotness or coldness of a body is called:
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