Nelson Chemistry Chapter 4 Quiz

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1 The coefficients that would go in front of each molecule in order to properly balance this equation would be: Cu(s) + HNO3(aq) -------> Cu(NO3)2(aq) + NO2(g) + H2O(l)
2,8,2,4,4
1,4,1,2,2
1,2,1,2,2
2,4,2,2,2

2 The coefficients that would go in front of each molecule in order to properly balance this equation would be: CdS(s) + O2(g) -------> CdO(s) + SO2(g)
2,3,2,2
1,1,1,1
4,6,4,4
2,1,2,1

3 The coefficients that would go in front of each molecule in order to properly balance this equation would be: Al4C3(s) + H2O(l) ----> Al(OH)3(s) + CH4(g)
1,3,4,1
1,6,4,1
1.12,4,1
1,12,4,3

4 The coefficients that would go in front of each molecule in order to properly balance this equation would be: FeS2(s) + O2(g) ----> Fe2O3(s) + SO2(g)
4,11,2,8
4,10,2,2
4,5,4,4
2,11,1,4

5 The coefficients that would go in front of each molecule in order to properly balance this equation would be:Na2CO3(s) + NO(g) + O2(g) -------> NaNO2(s) + CO2(g)
1,2,1,2,1
2,4,2,4,2
2,4,1,4,2
2,4,1,2,2

6 This equation, NaCl(s) ------> Na(s) + Cl2(g) can be classified as an example of a:
double replacement reaction
decomposition reaction
complete combustion reaction
formation reaction

7 This equation, Na(s) + HOH(l) ----> H2(g) + NaOH(aq), can be classified as an example of a:
combustion reaction
double replacement reaction
single replacement reaction
formation reaction

8 This equation, C8H18(l) + O2(g) ----> CO2(g) + HOH(g), can be classified as an example of a:
single replacement reaction
double replacement reaction
combustion reaction
neutralization reaction

9 This equation, H2SO4(aq) + 2 NaOH(aq) ----> Na2SO4(aq) + 2 HOH(aq), can be best classified as an example of a:
double replacement reaction
neutralization reaction
combustion reaction
single replacement reaction

10 This equation, 2 Mg(s) + O2(g) -----> MgO(s), can be classified as an example of a:
decomposition reaction
formation reaction
single replacement reaction
neutralization reaction