Question

a body of mass 2 kg require 9800j of heat to raise its temperature from 10°c to 20°c without change in its state. The specific heat capacity of the material of the body is​

Answer 1

Answer:

490

Explanation:

Mass = 2kg

Change in temperature = 20-10 °C = 10°C

Heat energy = 9800 J

Let the specific heat capacity be c

$2 X 10 X c = 9800 \\c = 9800/20= 490Jkg^{-1}C^{-1}$

Answer 2

Given:

Mass of the body = 2kg

Required heat = 9800J

Temperature rise from 10°C to 20°C

To Find:

the specific heat capacity of the material of the body is

Solution:

Let the specific heat capacity be c.

The specific heat capacity of a material is the energy required to raise one kg of the material by one-degree celsius.

The change in temperature = 20 - 10°C

                                              = 10°C

2X10Xe = 9800J

Now we substitute the value in the equation

e = Heat/Temperature

e = 9800J/20

e = 190J/kg C.