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worksheet 10cgt - Worksheet#10 Balancing Equations 1 In the...

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Worksheet 10 1 Worksheet #10 Balancing Equations 1) In the following reaction, state which are products, which are reactants, and circle the stoichiometric coefficients. What units are the stoichiometric coefficients in? a) 16Cu(s) + S 8 (s) 8Cu 2 S(g) 2) Write balanced equations for the following reactions: a) Magnesium + oxygen solid magnesium oxide b) Nitrogen monoxide + oxygen nitrogen dioxide c) Liquid methanol (CH 3 OH) + oxygen carbon dioxide + water d) Nitric acid reacts with barium hydroxide to give water and barium nitrate 3) For the following chemical equations: a) Balance by inspection, using no fractional coefficients. i) CaH 2 + H 2 O Ca(OH) 2 + H 2 ii) Al + Fe 3 O 4 Al 2 O 3 + Fe iii) Cu + H 2 SO 4 CuSO 4 + SO 2 + H 2 O iv) CoBr 3 (s) + Na 2 CO 3 (s) Co 2 (CO 3 ) 3 (s) + NaBr(s) v) BCl 3 (g) + H 2 O( ) H 3 BO 3 (s) + HCl(g) vi) CaSiO 3 (s) + HF(g) SiF 4 (g) + CaF 2 (s) + H 2 O( ) vii) Ca 3 (PO 4 ) 2 (s) + SiO 2 (s) + C(s) P 4 (g) + CaSiO 3 ( ) + CO(g) b) Rewrite the equations using the chemical names in place of the chemical symbols (the first is started for you).
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