Question

How many calories are needed to raise the temperature of 25 grams of water form 50°C to 70°C? The specific heat of water is 1cal/g°C

Answer 1

500 calories

Step-by-step explanation:

Heat gained or lost is mass times specific heat times change in temperature. Using this formula, the answer is 500 calories.

Answer 2

500 calories

Step-by-step explanation:

I think USA Test prep gives a formula to use on this question so try and use that. If that does not help there is good video on khan academy explaining how to do it.