Asked by Tiffany
How much heat must be added to 30 g of water at an initial temperature of 62°C to completely convert the 100°C water to steam?
Answers
Answered by
Elena
c is specific heat capacity for water,
r is specific heat of vaporizatrion.
Q =ΔU1+ΔU2= m•c•ΔT +r•m= m(c•ΔT +r)
=0.03( 4.19•10^3•(100-62)+22.6•10^5) =72577 J
r is specific heat of vaporizatrion.
Q =ΔU1+ΔU2= m•c•ΔT +r•m= m(c•ΔT +r)
=0.03( 4.19•10^3•(100-62)+22.6•10^5) =72577 J
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