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
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
Answer is the letter B
Answer:
B
Explanation:
Q=mc (75-15)
=5.0kg×2.6×1000J/kg.K×50K