Using these reactions, find the standard enthalpy change for the formation of 1 mol of PbO(s) from lead metal and oxygen gas PbO(s) C(graphite) Pb(s) CO(g) H 106 8 kJ 2 C(graphite) O 2 (g) 2 CO(g) H 221 0 kJ If 250 g of lead reacts with oxygen to form lead(II) oxide, what quantity of thermal energy...

Using these reactions, find the standard enthalpy change for the formation of 1 mol of PbO(s) from

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Using these reactions, find the standard enthalpy change for the formation of 1 mol of PbO(s) from lead metal and oxygen gas.

PbO(s) + C(graphite) → Pb(s) + CO(g) ΔH° = 106.8 kJ

2 C(graphite) + O₂(g) → 2 CO(g) ΔH° = –221.0 kJ

If 250 g of lead reacts with oxygen to form lead(II) oxide, what quantity of thermal energy (in kJ) is absorbed or evolved?

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