A gas is confined to a cylinder under constant atmospheric 
pressure, as illustrated in Figure 5.4. When the gas undergoes 
a particular chemical reaction, it absorbs 824 J of heat from 
its surroundings and has 0.65 kJ of P–V work done on it by 
its surroundings. What are the values of ∆H and ∆E for this 
process?

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in Figure 5.4. When 0.49 kJ of heat is added to the gas, it expands and does 214 J of work on the surroundings. What are the values of ∆H and ∆E for this process?

A gas is confined to a cylinder under constant atmospheric pressure. When 0.49 kJ of heat 
is added to the gas, it expands and does 214 J of work on the surroundings. What are the 
values of ΔH and ΔE for this process?