Question

A piece of copper 125kg has a heat capacity of 19687.6j also it's heated form 150to 250°c heat find out the specific heat​

Answer 1

Explanation:

Explanation:

A substance's specific heat tells you how much heat much be provided to increase the temperature of

1 g

of that substance by

1

∘

C

.

The equation that establishes a relationship between how much heat a substance must absorb in order to register a change in its temperature looks like this

q

=

m

⋅

c

⋅

Δ

T

, where

q

- the amount of heat absorbed

m

- the mass of the sample

c

- the specific heat of the substance

Δ

T

- the change in temperature, defined as the difference betwen the final temperature and the nitial temperature

In your case, you know that the temperature of

95.4-g

sample of copper increases from

25

to

48

∘

C

after absorbing

849 J

worth of heat.

Rearrange the equation to solve for

c

and plug in your values

c

=

q

m

⋅

Δ

T

c

=

849 J

95.4 g

⋅

(

48

−

25

)

∘

C

=

0.38693

J

g

∘

C

Rounded to two sig figs, the number of sig figs you ahve for the two temperatures of the copper sample, the answer will be

c

=

0.39

J

g

∘

C

It's worth noting that the result matches listed values almost perfectly