A LEVEL OCR A CHEMISTRY RATES AND EQUILIBRIA
Chamberlain College Of Nursing
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A Level Ocr A Chemistry Rates And Equilibria. Questions With Answers.
31. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = − 92 kJ mol-1 
How does the use of a catalyst affect the amounts of N2, H2 and NH3 present in the equilibrium mixture. 
 
32. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = − 92 kJ mol-1 
How does a higher temperature affect the amounts of N2, H2 and NH3 present in the equilibrium mixture. 
 
33. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = − 92 kJ mol-1 
How does lower pressure affect the amounts of N2, H2 and NH3 present in the equilibrium mixture. 
 
34. NO2, is a brown ga...