badatmath6361 badatmath6361

28-07-2018
Physics

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How much heat is neeed to change the temp of 3 grams of gold from 21° Celsius to 36° Celsius?

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Cetacea Cetacea

30-07-2018

Heat required =5.81 J

mass of gold= 3 grams

change in temperature = ΔT=36-21=21°C

specific heat of gold=0.129 j/g C

now heat= Q= m C ΔT

Q=3 (0.129)(15)

Q=5.81 J

Thus the heat required= 5.81 J

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