6-31a-Writing and Identifying Equations Wkst-key

Worksheet: Writing and Identifying Equations Name __________________ CHEMISTRY: A Study of Matter © 2004, GPB 6.31a KEY Directions: a) Write balanced equations for the following word equations. b) In the blank to the left of the equation, tell if the equation is synthesis (S), decomposition (D), combustion (C), single replacement (SR), or double replacement (DR). 1. _____ potassium chloride + silver nitrate yields potassium nitrate + silver chloride 2. _____ iron metal + copper (II) sulfate yields iron (II) sulfate + copper metal 3. _____ sodium chlorate yields sodium chloride + oxygen gas 4. _____ sodium bicarbonate yields sodium carbonate + carbon dioxide + water 5. _____ beryllium fluoride + magnesium yields magnesium fluoride + beryllium 6. _____ aluminum sulfate + barium chloride yields aluminum chloride + barium sulfate 7. _____ zinc metal + oxygen gas yields zinc oxide 8. _____ ethane + oxygen gas yields carbon dioxide and water DR KCl + AgNO 3 KNO 3 + AgCl SR Fe + CuSO 4 FeSO 4 + Cu D 2 NaClO 3 2 NaCl + 3 O 2 D 2 NaHCO 3 Na 2 CO 3 + CO 2 + H 2 O SR BeF 2 + Mg MgF 2 + Be DR Al 2 (SO 4 ) 3 + 3 BaCl 2 2 AlCl 3 + 3 BaSO 4 S 2 Zn + O 2 2 ZnO C 2 C 2 H 6 + 7 O 2 4 CO 2 + 6 H 2 O

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Transcript of 6-31a-Writing and Identifying Equations Wkst-key

Worksheet: Writing and Identifying Equations Name __________________

6.31a

KEY

Directions: a) Write balanced equations for the following word equations. b) In the blank to the left of the equation, tell if the equation is

synthesis (S), decomposition (D), combustion (C), single replacement (SR), or double replacement (DR).

1. _____ potassium chloride + silver nitrate yields potassium nitrate + silver

chloride 2. _____ iron metal + copper (II) sulfate yields iron (II) sulfate + copper metal 3. _____ sodium chlorate yields sodium chloride + oxygen gas 4. _____ sodium bicarbonate yields sodium carbonate + carbon dioxide + water 5. _____ beryllium fluoride + magnesium yields magnesium fluoride + beryllium 6. _____ aluminum sulfate + barium chloride yields aluminum chloride + barium

sulfate 7. _____ zinc metal + oxygen gas yields zinc oxide 8. _____ ethane + oxygen gas yields carbon dioxide and water

KCl + AgNO3 KNO3 + AgCl

Fe + CuSO4 FeSO4 + Cu

2 NaClO3 2 NaCl + 3 O2

2 NaHCO3 Na2CO3 + CO2 + H2O

BeF2 + Mg MgF2 + Be

Al2(SO4)3 + 3 BaCl2 2 AlCl3 + 3 BaSO4

2 Zn + O2 2 ZnO

2 C2H6 + 7 O2 4 CO2 + 6 H2O