Calculate the amount of energy in kilojoules needed to change 243 g of water ice at...

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Question

Calculate the amount of energy in kilojoules needed to change 243 g of water ice at −10 ∘C to steam at 125 ∘C.

The following constants may be useful:

Cm (ice)=36.57 J/(mol⋅∘C)

Cm (water)=75.40 J/(mol⋅∘C)

Cm (steam)=36.04 J/(mol⋅∘C)

ΔHfus=+6.01 kJ/mol ΔHvap=+40.67 kJ/mol

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