Question

One kg of grapes loses 9 kj of heat as it cools per °c drop in its temperature. the amount of heat loss from the grapes per °f drop in its temperature is

Answer 1

we know that 1⁰C=33.8 degree ⁰f

so put ⁰f at the place of ⁰C

9/33.8 =0.266277..

Explanation:

1⁰C=1⁰C×(9/5)+32

33.8⁰f