Question 1
Calculate the work needed to make room for products in the combustion of sulfur, S
8(s), to SO
2(g) at STP.
◦ 0 kJ
◦ -2.27 kJ
◦ -4.54 kJ
◦ -18.2 kJ
◦ +182 kJ
Question 2
Calculate the work,
w, gained or lost by the system when a gas expands from 15 L to 40 L against a constant external pressure of 1.5199 bar.
◦ -6.1 kJ
◦ -3.8 kJ
◦ +3.8 kJ
◦ +6.1 kJ