Rates, equilibrium, energy

Question 1 of 10

Powdered marble reacts faster with acid than lumps because it has

Question 2 of 10

According to Le Chatelier's principle, increasing the pressure on N₂ + 3H₂ ⇌ 2NH₃ will

Question 3 of 10

For H₂(g) + I₂(g) ⇌ 2HI(g), Kc = 49 at a temperature. Kc for 2HI ⇌ H₂ + I₂ is

Question 4 of 10

A reaction that gives out heat to the surroundings is

Question 5 of 10

An endothermic reaction

Question 6 of 10

In the Haber process, the catalyst is

Question 7 of 10

For 2SO₂ + O₂ ⇌ 2SO₃ (ΔH negative), the yield of SO₃ is increased by

Question 8 of 10

The energy profile of an exothermic reaction shows products

Question 9 of 10

In an exothermic reaction, ΔH is

Question 10 of 10

For N2 + 3H2 ⇌ 2NH3, increasing the pressure shifts the equilibrium to the