Physics · Chemical Thermodynamics

Consider the following gas phase reaction at temperature T(K): 2A2(g) + B2(g) → 2A2B(g) + 600 kJ The standard enthalpy of formation (ΔfHθ) of A2B(g) is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1-600 kJ mol-1
2-300 kJ mol-1✓
3300 kJ mol-1
4600 kJ mol-1

Correct answer

-300 kJ mol-1

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Consider the following gas phase reaction at temperature T(K): 2A2(g) + B2(g) → 2A2B(g) + 600 kJ The standard enthalpy of formation (ΔfHθ) of A2B(g) is:

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Consider the following gas phase reaction at temperature T(K): 2A2(g) + B2(g) → 2A2B(g) + 600 kJ The standard enthalpy of formation (ΔfHθ) of A2B(g) is:

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