1a) What is w when a gas is compressed from 38.3 L to 28.8 L using a constant external pressure of 745 mmHg?
1b) What is w when 2.47 kg of H2O(l), initially at 25.0oC, is converted into water vapour at 137oC against a constant external pressure of 1.00 atm? Assume that the vapour behaves ideally and that the density of liquid water is 1.00 g/mL.