balancing equations practice

balancing equations practice - Balancing Equations Practice...

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T. Trimpe 2006 http://sciencespot.net/ Balancing Equations Practice Name ____________________________ Part A: Identify the following parts of each chemical formula by circling the subscripts and drawing a square around the coefficients. H 2 2 HCl 4 O 2 CH 4 3 CO 3 2 NaOH Part B: List the symbols for the atoms in each formula and give the number of each. C 2 H 6 2MgO 4P 4 O 10 NH 3 3 Al(OH) 3 2 H 2 O 2 Part C: Balance each of the following equations following the procedure described in class. Be sure to show your work. P + O 2 P 4 O 10 Mg + O 2 MgO P = P = Mg = Mg = O = O = O = O = HgO Hg + O 2 Al 2 O 3 Al + O 2 Hg = Hg = Al = Al = O = O = O = O = BaCl 2 + H 2 SO 4 BaSO 4 + HCl Ba = Ba = Cl = Cl = H = H = S = S = O = O =
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T. Trimpe 2006 http://sciencespot.net/ Part D: Practice Problems – Balance each equation using the process from Part C. Cl 2 + NaBr NaCl + Br 2 H 2 + N 2 NH 3 Na + Br 2 NaBr CuCl 2 + H 2 S CuS + HCl HgO + Cl 2 HgCl + O 2 C + H 2 CH 4 Challenge Problem: Give it your best shot! C 2 H 6 + O 2 CO 2 + H 2 O
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T. Trimpe 2006 http://sciencespot.net/ Balancing Equations Practice ANSWER KEY Part A: Identify the following parts of each chemical formula by circling the subscripts and drawing a
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