Multiple Choice
When 56.8 g of lead reacts with 3.50 L of oxygen gas,measured at 1.00 atm and 25.0°C,60.1 kJ of heat is released at constant pressure.What is ΔH° for this reaction? (R = 0.0821 L • atm/(K • mol) )
2Pb(s) + O2(g) → 2PbO(s)
A) -4.39 × 102 kJ
B) -8.7 × 101 kJ
C) -6.01 × 101 kJ
D) -2.19 × 102 kJ
E) -4.2 × 102 kJ
Correct Answer:
Verified
Correct Answer:
Verified
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