How much heat does it take to raise the temperature of 5.0 kg of plastic from

15°C to 75°C? The specific heat of plastic is 2.60 kJ / (kg•°C),

Use Q = mc Tp-T).

A. 300 kJ

B. 780 kJ

C. 196 kJ

D. 980 kJ

Question

Rishi Werner

24 May, 04:16

+1

Answers (2)

Know the Answer?

Santos Mcgrath · Answer 1

Answer is the letter B

Elianna Bernard · Answer 2

B

Explanation:

Q=mc (75-15)

=5.0kg*2.6*1000J/kg. K*50K

How much heat does it take to raise the temperature of 5.0 kg of plastic from15°C to 75°C? The specific heat of plastic is 2.60 kJ / (kg•°C),Use Q = mc Tp-T).A. 300 kJB. 780 kJC. 196 kJD. 980 kJ