ClassifyBalance

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

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

Page1 / 2

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

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online