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How much energy is needed to heat 5 gm of water from 30 C to 85 C? Given specific heat, Cp of water 4.18 J/g.°c 3.
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Answer #1

Energy needed to raise the temperature of water from 30oC to 85oC is given by

Q mcu,(T2 _Tİ)) = 5 × 4.18 × (85-30)

Q=1149.5 Joules  

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