For the Reaction H₂(g)+ 1/2 O₂(g)→ H₂O(g)Δ_rH° = -241

question 106

Multiple Choice

For the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) Δ_rH° = -241.8 kJ/mol,
What mass of H₂(g) is required to liberate 1.00 × 10³ kJ of heat?

• A)66.2 g
• B)4.17 g
• C)8.34 g
• D)2.05 g
• E)16.7 g

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