Hydrogen Bromide Will Dissociate into Hydrogen and Bromine Gases

question 8

Multiple Choice

Hydrogen bromide will dissociate into hydrogen and bromine gases. 2HBr(g) H₂(g) + Br₂(g) ΔH°_rxn = 68 kJ
What effect will a temperature increase of 50°C have on this system at equilibrium?

• A) The partial pressure of hydrogen bromide will increase.
• B) The partial pressure of hydrogen will increase.
• C) The partial pressure of hydrogen bromide and bromine will increase.
• D) There will be no effect on the partial pressure of any of the gases.
• E) Need to know the initial pressure, volume, and temperature before any of the above predictions can be made.

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