Word equations homework 1. Write a word equation for the reaction of hydrochloric acid with zinc. What the products and reactants in this reaction? ________________________________________________________ ________________________________________________________ 2. Write a word equation for the reaction of sulphuric acid with iron oxide. What the products and reactants in this reaction? ________________________________________________________ ________________________________________________________ 3. Write a word equation of sulphuric acid with potassium. What the products and reactants in this reaction? ________________________________________________________ ________________________________________________________ 4. Write a word equation for the reaction of nitric acid with sodium carbonate. What the products and reactants in this reaction and what might you observe in this reaction? ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ 5. Write a word equation for the reaction of sulphuric acid with calcium carbonate. What the products and reactants in this reaction and what might you observe in this reaction? _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 6. Write a word equation for the reaction of hydrochloric acid with magnesium. What the products and reactants in this reaction? ________________________________________________________ ________________________________________________________ 7. 7. Write a word equation for the reaction of potassium oxide and hydrochloric acid. What the products and reactants in this reaction? _________________________________________________________ _________________________________________________________ 8. Write a word equation for the reaction of nitric acid acid with lithium hydroxide. What the products and reactants in this reaction? ________________________________________________________ ________________________________________________________ 9. Write a word equation for the reaction of beryllium and nitric acid. What the products and reactants in this reaction? ______________________________________________________ ______________________________________________________ 10. The total mass of the reactants is the ________ as the total mass of the products. Fill in the gap. 11. No atoms are created or destroyed in a chemical reaction. Is this statement true or false? 11. a) Hydrogen peroxide (H2O2) decomposes (breaks down) to produce water (H2O) and oxygen (O2). Write the word equation for this reaction. ______________________________________________________ ______________________________________________________ b) Write a symbol equation for this ______________________________________________________ ______________________________________________________ c) Balance the symbol equation for this reaction ______________________________________________________ ______________________________________________________