Given: Pb(s)+ PbO₂(s)+ 2H₂SO₄(l)→ 2PbSO₄(s)+ 2H₂O(l); ΔH° = -509.2 KJ

question 98

Multiple Choice

Given:
Pb(s) + PbO₂(s) + 2H₂SO₄(l) → 2PbSO₄(s) + 2H₂O(l) ; ΔH° = -509.2 kJ
SO₃(g) + H₂O(l) → H₂SO₄(l) ; ΔH° = -130.kJ
Determine ΔH° for the following thermochemical equation.
Pb(s) + PbO₂(s) + 2SO₃(g) → 2PbSO₄(s)

• A)3.77 × 10³ kJ
• B)-521 kJ
• C)-3.77 × 10³ kJ
• D)-639 kJ
• E)-769 kJ

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