Question

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Answer 1

option c is correct

Explanation:

The volume of a gas at 20°C is 100 CC at normal pressure when it is heated to 100°C its volume is 125 CC at the same pressure.

Let the volume coefficient of the gas is a

then according to the rule:

a= ΔV/VΔT

The difference in the volume is, ΔV= (125-100)= 25 CC

V= 100 CC

The change in temperature: ΔT= (100-20)= 80°C= 353.5 K

Now according to the rule:

a= 25/100 x 353.5

= 88.375 K^(-1).

or option c is correct

Answer 2

Answer:

The  volume coefficient of the gas 88.375 K^(-1)

explanation:

The volume of a gas at 20°C is 100 CC at normal pressure when it is heated to 100°C its volume is 125 CC at the same pressure.

Let the volume coefficient of the gas is a

then according to the rule:

a= ΔV/VΔT

The difference in the volume is, ΔV= (125-100)= 25 CC

V= 100 CC

The change in temperature: ΔT= (100-20)= 80°C= 353.5 K

Now according to the rule:

a= 25/100 x 353.5

 = 88.375 K^(-1)