How much heat energy, in kilojoules, is required to convert 32.0g of ice at −18.0 ∘C to water at 25.0 ∘C ? Express your answer tothree significant figures and include the appropriate units.
How long would it take for 1.50 mol of water at 100.0 ∘C to beconverted completely into steam if heat were added at a constantrate of 25.0 J/s ?
Express your answer to three significant figures and include theappropriate units.
