A substance of mass 75 gms with a specific heat of 0.6 has its temperature increased by 20°C. What amount of heat needs to be provided for this increase in temperature to be possible?

900 calories

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90 calories

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1000 calories

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100 calories

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Solution

The correct option is A
900 calories

Q= mass x specific heat x change in temperature

Q= 75 x 0.6 x 20 =900 calories of heat

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