3 Physical chemistry

Practice questions on Physical chemistry

• A student investigates the reaction between dilute nitric acid and sodium hydroxide soluti… (4 marks, Describe)
• A student prepares a sample of copper(II) sulfate solution by adding dilute sulfuric acid … (4 marks, Explain)
• A student investigates the reaction between dilute sulfuric acid and copper(II) oxide powd… (4 marks, Explain)
• The reaction between hydrogen and iodine vapour is reversible. In a closed container, the … (4 marks, Explain)
• A sealed flask contains the following reversible reaction at dynamic equilibrium: H₂(g) + … (4 marks, Explain)
• A student sets up a closed container in which the following reversible reaction reaches dy… (4 marks, Explain)
• Combustion of ethanol is used in spirit burners to heat water in calorimetry experiments. … (4 marks, Explain)
• Hand warmers contain chemicals that undergo a reaction when activated. When a hand warmer … (4 marks, Explain)
• When ammonium chloride dissolves in water, the temperature of the water decreases. Explain… (4 marks, Explain)
• Neutralisation is defined as the reaction in which an acid and a base react together to fo… (4 marks, Explain)
• The reaction between sulfur dioxide and oxygen is a reversible reaction, as shown: 2SO₂(g)… (4 marks, Explain)
• The following reversible reaction reaches dynamic equilibrium in a closed container: N₂O₄(… (4 marks, Explain)
• A student adds excess zinc carbonate powder to dilute hydrochloric acid. The mixture fizze… (4 marks, State, Explain and Describe)
• When magnesium ribbon is added to dilute hydrochloric acid, the temperature of the solutio… (4 marks, Explain)
• When citric acid is dissolved in water and sodium hydrogencarbonate powder is added, the t… (4 marks, Explain)
• Explain why increasing the temperature of a reaction mixture increases the rate of reactio… (4 marks, Explain)
• A student investigates the rate of reaction between marble chips (calcium carbonate) and h… (4 marks, Explain)
• A student reacts zinc powder with dilute sulfuric acid. A second student carries out the s… (4 marks, Explain)
• A student investigates the rate of reaction between sodium thiosulfate solution and dilute… (4 marks, Explain)
• A student adds a small lump of manganese(IV) oxide to a solution of hydrogen peroxide. Bub… (4 marks, Explain)