<p>Name ______Date ______Class ______</p><p>Directions: Work the following problems based on Chapter 11 Section 1. Title: Daily Work 11-1</p><p>Match each description in column B to the correct term in column A.</p><p>Column A Column B a. An equation in which each side has the same number of atoms of each _____ 1. Chemical equation element. _____ 2. Skeleton equation b. A substance that speeds up the rate of a reaction.</p><p>_____ 3. Catalyst c. A symbolic way of describing a chemical reaction.</p><p>_____ 4. Coefficients d. Substances that undergo chemical change. e. A chemical equation that does not indicate the amounts of substances _____ 5. Balanced equation involved. _____ 6. Reactants f. New substances formed in a chemical reaction.</p><p>_____ 7. Products g. Numbers used to balance a chemical equation.</p><p>8. How do you write a word equation?</p><p>9. How do you write a skeleton equation?</p><p>10. Describe the steps in writing balanced chemical equations.</p><p>11. Write a sentence that describes this chemical reaction: Na(s) + H2O(l) → NaOH(aq) + H2(g) 12. Write skeleton equations for these reactions: a. Heating copper (II) sulfide in the presence of diatomic oxygen produces pure copper and sulfur dioxide gas.</p><p> b. When heated, baking soda (sodium hydrogen carbonate) decomposes to form the products sodium carbonate, carbon dioxide, and water.</p><p>13. Write and balance equations for the following reactions: a. Iron metal and chlorine gas react to form solid iron (III) chloride.</p><p> b. Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas.</p><p> c. Solid magnesium reacts with aqueous silver nitrate to form solid silver and aqueous magnesium nitrate.</p><p>14. Balance the following equations.</p><p> a. _____ SO2 + _____ O2 → _____ SO3</p><p> b. _____ Fe2O3 + _____ H2 → _____ Fe + _____ H2O</p><p> c. _____ P + _____ O2 → _____ P4O10</p><p> d. _____ Al + _____ N2 → _____ AlN</p>