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CHEMISTRY CP NAME: __________________________ PER: ___ UNIT 4 QUIZ: REVIEW SHEET 1. Be able to identify the five types of chemical reactions. For the following examples, identify the type of each of the following reactions: a. 2 Na + Cl2 2 NaCl b. Zn + 2HCl ZnCl2 + H2 c. PbO2 Pb + O2 d. 2 H3PO4 + 3 Ca(OH)2 Ca3(PO4)2 + H2O e. CH4 + 2 O2 CO2 + 2H2O 2. Be able to balance chemical equations. For the following equations, balance the following chemical reactions and then answer the questions. a. C3H8 + O2 CO2 + H2O b. Al + HCl AlCl3 + H2 c. Mg(GaO2)2 + HCl GaCl3 + MgCl2 + H2O d. CoCl3 + Mg(OH)2 Co2O3 + HCl + MgCl2 e. FeS + O2 Fe2O3 + SO2 f. When “a” is correctly balanced using the smallest whole number coefficients, what is the sum of these coefficients? g. When “c” is correctly balanced using the smallest whole number coefficients, what is the coefficient for HCl? h. When “d” is correctly balanced using the smallest whole number coefficients, what is the sum of these coefficients? i. When “e” is correctly balanced using the smallest whole number coefficients, what is the coefficient for O2? 3. Know the formulas and names for the simplest hydrocarbon compounds containing 1 to 8 carbons. 4. Be able to identify the correct formulas and symbols for the compounds and elements involved in a chemical reaction and then balance the reaction. a. iron + oxygen iron (II) oxide b. aluminum + lead (II) oxide aluminum oxide + lead 5. Predict the products of the following combustion reaction: butane + oxygen ??? 6. If given the Activity Series, be able to determine if a single replacement reaction will take place and predict the products. For the following, if a reaction will take place, write the equation and balance it. If the reaction will not occur, write N.R. for no reaction. a. Copper metal plus zinc nitrate b. Magnesium metal plus lead (II) nitrate 7. Using a solubility table, be able to determine if a double replacement reaction will take place and predict the products. For the following, if a reaction will take place, write the equation and balance it. If the reaction will not occur, write N.R. for no reaction. a. ZnSO4 + Li2CO3 b. NaNO3 + LiCl