Question

How much energy is required to change a 35 g
ice cube from ice at ?7
?C to steam at 108?C?
The specific heat of ice is 2090 J/kg

Answer 1

Let E₁ be the energy required to bring 35g ice from -7^o C to 0^o C

Let E₂ be the energy required to change 35 g ice at 0^o C to water at 0^o C

Phase Change at costant temperature:

Let E₃ be the energy required to bring 35g water from 0^o C to 100^o C

Phase Change at costant temperature:

Let E₄ be the energy required to change 35 g water at 100^o C to steam at 100^o C

Let E₅ be the energy required to bring 35g steam from 100^o C to 108^o C

Therefore Total Energy required to change a 35 gice cube from ice at ?7?C to steam at 108?C is given by