Respuesta :

Answer: The final temperature is equal to

45 Celsius

Explanation:

Explanation:

We have the amount of energy gain

Q

=

m

c

Δ

T

=

m

c

Δ

t

where

c

=

4.184

J

/

g

.

C

is the specific heat of water,

m

is the mass of water

840

=

10

x

4.184

(

t

25

)

t

=

840

10

x

4.184

+

25

=

45

i.e.

45

C