Question

Calculate amount of heat required to rise the temperature of 100g of water is 10°to15°c​

Answer 1

Answer:

9kcal

Explanation:

m=100g,C=1calg

−1

o

C

−1

ΔT=(95−5)

o

C=90

o

C

Q=mCΔT

=100g×1calg

−1

o

C

−1

×90

o

C

=100×1×90cal

=9000cal=9kcal.