C5 Monitoring and controlling chemical reactions

Practice questions on Monitoring and controlling chemical reactions

• Explain why increasing the concentration of hydrochloric acid increases the rate at which … (4 marks, Explain)
• A student adds a piece of marble (calcium carbonate) to hydrochloric acid. The student not… (4 marks, Explain)
• Explain why increasing the temperature increases the rate of reaction between two reactant… (4 marks, Explain)
• A student is investigating the rate of reaction between sodium thiosulfate solution and hy… (4 marks, Explain)
• A student is investigating the rate at which marble chips (calcium carbonate) react with h… (4 marks, Explain)
• Describe how increasing the surface area of a solid reactant affects the rate of reaction.… (4 marks, Describe)
• Explain why adding a catalyst increases the rate of a chemical reaction. (4 marks, Explain)
• A food manufacturer uses a reversible reaction carried out in a closed system to produce a… (4 marks, Explain)
• A chemical company produces ammonia using a reversible reaction carried out in a closed sy… (4 marks, Explain)
• Ammonia is produced in the Haber process using the following reversible reaction: N₂(g) + … (4 marks, Explain)
• The Contact Process is used in industry to produce sulfur trioxide, SO₃, which is needed t… (4 marks, Explain)
• Nitrogen dioxide, NO₂, and dinitrogen tetroxide, N₂O₄, exist in a reversible reaction in a… (4 marks, Explain)
• A chemical engineer is studying the following reversible reaction used in the production o… (4 marks, Explain)
• A chemist is investigating the following reversible reaction, which takes place in a close… (4 marks, Explain)
• Explain why increasing the temperature increases the rate of a chemical reaction. (4 marks, Explain)