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the amount of heat required to raise the temperature of 100gm water from 20 degree celsius to 40 deghree celsius will be

the amount of heat required to raise the temperature of 100gm water from 20 degree celsius to 40 deghree celsius will be
 

Grade:12

2 Answers

Vikas TU
14149 Points
3 years ago
We use the heat equation. Q=mcΔT.
Where, m is the mass of water in kg, c is specific heat capacity in J∙kg−1°C−1 and ΔT the temperature difference.
In this case ,
Q=0.1×4180×(40–20)
= 8360 J, the amount of heat required to do that.
Khimraj
3007 Points
3 years ago
𝑄=𝑚𝑐Δ𝑇 Where, m is the mass of water in kg, c is specific heat capacity in J•kg−1°C−1 and ΔT the temperature difference. Q=0.1×4180×(40–20) = 8360 J

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