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/(k

Question

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

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Delwyn 2 weeks 2021-08-28T09:17:35+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-28T09:18:51+00:00

    Answer is the letter B

    0
    2021-08-28T09:19:07+00:00

    Answer:

    B

    Explanation:

    Q=mc (75-15)

    =5.0kg×2.6×1000J/kg.K×50K

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