Question 1
Calculate the work for the expansion of CO2 from 1.0 to 5.2 liters against a pressure of 1.0 atm at constant temperature.
◦
4.2 L·atm◦
5.2 L·atm◦
0 L·atm◦
–4.2 L·atm◦
–5.2 L·atmQuestion 2
CH4(g) + 4Cl2(g) → CCl4(g) + 4HCl(g), ΔH = –434 kJ
Based on the above reaction, what energy change occurs when 1.2 moles of methane (CH4) reacts?
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5.2 × 105 J are released.◦
5.2 × 105 J are absorbed.◦
3.6 × 105 J are released.◦
3.6 × 105 J are absorbed.◦
4.4 × 105 J are released.