Explore BrainMass

heat absorbed by water and work done on lifting

(a) How many joules are required to raise 1.0 kg of water from room temperature of 22^oC to its boiling point?
(b) If this work were used to lift a 50-kg boy instead, how high could he be lifted?

I need to see each step and formula to solve this question.

Solution Preview

Please see the attached file for detailed solution.

(a)The energy requires when the temperature of a mass m grams of a material changes by deltaT degrees Celsius is given by
q = m* C * ...

Solution Summary

The first part of the solution shows how to calculate the heat absorbed by water when raising its temperature. The second part shows the work done when lifting a boy.