HSC Chemistry Practice Questions - HSC Chemistry (NSW Higher School Certificate) Exam

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In a closed flask, brown NO2 gas establishes the equilibrium 2NO2(g) N2O4(g). What best describes this system once equilibrium is reached at constant temperature?

The forward and reverse reactions have both stopped The forward and reverse reactions occur at equal rates All the NO2 has been converted to N2O4 The reaction is static, with no particle movement

Correct Answer:

The forward and reverse reactions occur at equal rates

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