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Chemical equilibrium — Question 33

Original QCE Vault practice · 4 marks

Q33 · Practice questionComplex familiar4 marks

QUESTION 33 (4 marks)

A flask contains H2(g)+I2(g)⇌2HI(g). At equilibrium [H2]=0.20, [I2]=0.30 and [HI]=1.20 molL−1.

a) Calculate the equilibrium constant. [2 marks]

b) An injection instantly doubles only [HI]. Calculate Qc immediately after injection and predict the net reaction direction. [2 marks]

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