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ClassifyBalance

ClassifyBalance - a zinc and copper c zinc and copper(II...

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Name _______________________________ Classifying and Balancing Equations Multiple Choice _____1. A chemical reaction is a process in which a. products change into reactants c. substances change state b. the law of conservation of mass applies d. all of these _____2. During a chemical reaction, a. new elements are produced c. atoms are destroyed b. atoms are rearranged d. elements are destroyed _____3. An equation is balanced by a. changing subscripts c. erasing elements as necessary b. adding coefficients d. adding elements as necessary _____4 An atom’s ability to undergo chemical reactions is determined by its a. protons b. innermost electrons c. neutrons d. outermost electrons _____5. What are the reactants in the following chemical equation: Zn + CuSO 4 -----> ZnSO 4 + Cu a. zinc and copper c. zinc and copper (II) sulfate b. zinc sulfate and copper d. only zinc _____6. What are the products in the above equation?
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Unformatted text preview: a. zinc and copper c. zinc and copper (II) sulfate b. zinc sulfate and copper d. only zinc For questions 7-12, classify the reaction according to the type it is. Put that answer in the blank. Then add coefficients to balance the reaction when necessary. _____________________ 7. Zn + H 2 SO 4-----> ZnSO 4 + H 2 _____________________ 8. H 2 CO 3-----> CO 2 + H 2 O ______________________9. CaCO 3 + HCl ------> CaCl 2 + H 2 CO 3 _____________________ 6. AgNO 3 + Zn -----> Zn (NO 3 ) 2 + Ag _____________________ 7. C 3 H 8 + O 2-----> CO 2 + H 2 O _____________________ 9. C 2 H 5 OH + O 2-----> CO 2 + H 2 O Write a balanced equation for each of the following reactions: 11. Magnesium chloride is the product of a reaction between magnesium and chlorine. 12. Copper (II) hydroxide and potassium sulfate are produced when potassium hydroxide reacts with copper (II) sulfate. Home...
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