Question

Latent heat ol vaporization is 539 caig
TOCA
2.
A 10 kg mass falls through 25 m on to
potential energy lost is used in heating
material is 252 J kg K')
a) 0.95 K
b) 0.092 K
A heater rises the temperature of 10 -
temperature of 30 kg oil by 10°C (spe
is
a) 15 minutes
b) 10 minute
100°C
3.
4.
c) 106
c) 120
5.
A
c) 150
c) 100
6.
0°C
Q(cal)
-20°C
1. Find the value of Q, is
a) 10.3
b) 10.6
d) 6
2. Find the value of Q, is
a) 40
b) 80
d) 20
3 Find the value of Q, is
a) 100
b) 50
d) 250
4. Find the value of Q, is
a) 530
b) 80
d) 539
5. Between the points b and c, the state of the substance is
a) only ice
b) only water c) mixture of ice & water d) vapour
6. In the above figure how much heat is require from a to c is
a) 90.6 cal
b) 80 cal
c) 70.6 cal
d) 100 cal
The amount of heat required from a to dis
a) 90.6 cal
b) 190.6 cal
c) 80.6 cal
d) 180.6 cal
8. The amount of heat required from b to dis
a) 90 cal
b) 190 cal
c) 180 cal
d) 170 cal
9. The amount of heat required from b toe is
a) 729 cal
b) 719 cal
c) 619 cal
d) 819 cal
Two ideal gases have the same value
the ratio 1:2 is
a) 37
b) 27
One mole of an ideal gas requires 27
pressure. If the same gas is heated at
required is (R = 8.3J mol- K-1)
a) 198.7J
b) 187 J
0.32 g of oxygen is kept in a rigi
temperature from 25 °C to 35 °C 1
20 J mol-'K']
a) 2.0 J
b) 3.0
For a gas, the difference between
1.6. The specific heat at constant
a) 1333 33 Jkg K b) 1337
A tank of volume 0.2 m contain
If the molar specific heat capaci
heat required to raise the tempe
a) 1800 cal
b) 200
[
7.
8.​

Answer 1

Answer:

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