Classify each by the type of reaction illustrated. 2 Mg(s) + O 2 (g) --> 2 MgO(s
ID: 478589 • Letter: C
Question
Classify each by the type of reaction illustrated.
2 Mg(s) + O2(g) --> 2 MgO(s)
H2CO3 (aq) --> H2O(l) + CO2(g)
Sn(s) + Pb(NO3)2(aq) --> Pb(s) + Sn(NO3)2 (aq)
FeCl3 (aq)+3NaOH(aq)--> 3NaCl(aq)+Fe(OH)3 (s)
8 H2 (g) + S8(s) --> 8 H2S(g)
CaCO3 (s) --> CaO(s) + CO2 (g)
Combination
Decomposition
Single Replacement
Double Replacement
1 points
QUESTION 2
a) Rank the metals A,B,C in an activity series based on the experimental results below. Explain your answer. A(s) + BX(aq) --> B(s) + AX(aq) C(s) + AX(aq) --> A(s) + CX(aq) b) What happens (if anything) in the reaction B(s) + AX(aq) ---> Explain.
Path: p
Words:0
1 points
QUESTION 3
A student added a metal to a solution and observed vigorous bubbling. Could one or more of the equations below represent the observation? Explain why or why not. Na(s) + 2 HCl(aq) --> NaH2(aq) and Cl2(g) Cl2(g) + 2 NaBr(aq) --> 2 NaCl(aq) + 2 Br2(g)
- A. B. C. D.2 Mg(s) + O2(g) --> 2 MgO(s)
- A. B. C. D.H2CO3 (aq) --> H2O(l) + CO2(g)
- A. B. C. D.Sn(s) + Pb(NO3)2(aq) --> Pb(s) + Sn(NO3)2 (aq)
- A. B. C. D.FeCl3 (aq)+3NaOH(aq)--> 3NaCl(aq)+Fe(OH)3 (s)
- A. B. C. D.8 H2 (g) + S8(s) --> 8 H2S(g)
- A. B. C. D.CaCO3 (s) --> CaO(s) + CO2 (g)
A.Combination
B.Decomposition
C.Single Replacement
D.Double Replacement
Explanation / Answer
2 Mg(s) + O2(g) --> 2 MgO(s) = combination reaction
H2CO3 (aq) --> H2O(l) + CO2(g) = decomposition reaction
Sn(s) + Pb(NO3)2(aq) --> Pb(s) + Sn(NO3)2 (aq) = single displacement reaction
FeCl3 (aq)+3NaOH(aq)--> 3NaCl(aq)+Fe(OH)3 (s) = double displacement reaction
8 H2 (g) + S8(s) --> 8 H2S(g) = combination reaction
CaCO3 (s) --> CaO(s) + CO2 (g) = decomposition reaction