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s=dQ/dT

in SI syatem J/kg/C

in cgs system cal/gm/C

DQ=mSdT

Q=m∫sdT

if s is independent of temp then

Q=ms∫dT

Q=msΔT

Value of s depends upon nature of substance

for water s= 1cal/gm/C or 4200 J/kg/C

for ice s= 0.5 cal/gm/C

for steam s= 0.46 cal/gm/C

S= 1cal/gm/C or 4200 J/kg/C is for water

s= 0.5 cal/gm/C is for ice

s= 0.46 cal/gm/C is for steam

s= 0.5 cal/gm/C is for ice

s= 0.46 cal/gm/C is for steam