How much energy is required to raise the temperature of 4 kg of water by 2 ᵒC? (c = 4200 J/kg ᵒC)

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336 000 J

8 400 J

33 600 J

16 800 J

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Which will require the most energy to raise its temperature by 2 ᵒC?

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Correct Answer

Incorrect Answers

oil

water

aluminium

copper

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How long would it take a 200 W motor to transfer 1000 J of energy?

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5 s

50 s

0.2 s

0.02 s

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What is the correct definition of specific heat capacity?

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the energy required to increase the temperature of a substance by 1 ᵒC

the energy required to increase the temperature of 1 kg of a substance by 1 ᵒC

the energy required to heat a substances by 1 ᵒC

the energy required to change the state of 1 kg of a substance

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Answer incorrect

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