Write the molecular equation, ionic and net ionic equation for all the reactions
ID: 873388 • Letter: W
Question
Write the molecular equation, ionic and net ionic equation for all the reactions observed. If no reaction was observed, write the appropriate reactants for the molecular and ionic equations, but write NR for the products.
Ca(No3)2 and Cu -No reaction
CA(NO3)2 and Zn-No reaction
Ca(NO3)2 and Ca-No reaction
Cu(No3)2 and Ca
Fe(No3)2 and Ca
Fe(No3)2 and Mg
Fe(No3)2 and Zn
Mg(No3)2 and Ca
SnCl4 and Ca
SnCl4 and Mg
SnCl4 and Zn
SnCl4 and Cu
Zn(No3)2 and Ca
Part B:
1. if the temperature of the hydrochloric acid solution before mixing was 22.3oC and the temperature of the sodium hydroxide solution before mixing was 22.5oC, the temperature that should be reported for T1 is_________?
2. A student obtained the time-temperature data shown in the table below after mixing the solutions in Question (1) above. What temperature should be reported for T2?
Time (min) Temp (
Explanation / Answer
The molecular equation, ionic and net ionic equation for all the reactions observed is given below.
a) Ca(No3)2 and Cu
Molecular equation : Ca(NO3)2 + Cu(s) ----> Ca(s) + Cu(NO3)2(aq)
Ionic equation : Ca2+(aq) -----> Ca(s)
Cu(s) ---> Cu2+(aq)
Net ionic equation : Ca2+(aq) + Cu(s) -----> Ca(s) + Cu2+(aq)
b) Ca(NO3)2 and Zn
Molecular equation : Ca(NO3)2 + Zn(s) ----> Ca(s) + Zn(NO3)2(aq)
Ionic equation : Ca2+(aq) -----> Ca(s)
Zn(s) ---> Zn2+(aq)
Net ionic equation : Ca2+(aq) + Zn(s) -----> Ca(s) + Zn2+(aq)
c) Ca(NO3)2 and Ca-No reaction
Molecular equation : Ca(NO3)2 + Ca(s) ----> NR
Net ionic equation : Ca2+(aq) + Ca(s) -----> NR
d) Cu(No3)2 and Ca
Molecular equation : Cu(NO3)2 + Ca(s) ----> Cu(s) + Ca(NO3)2(aq)
Ionic equation : Cu2+(aq) -----> Cu(s)
Ca(s) ---> Ca2+(aq)
Net ionic equation : Cu2+(aq) + Ca(s) -----> Cu(s) + Ca2+(aq)
d) Fe(No3)2 and Ca
Molecular equation : Fe(NO3)2 + Ca(s) ----> Fe(s) + Ca(NO3)2(aq)
Ionic equation : Fe2+(aq) -----> Fe(s)
Ca(s) ---> Ca2+(aq)
Net ionic equation : Fe2+(aq) + Ca(s) -----> Fe(s) + Ca2+(aq)
e) Fe(No3)2 and Mg
Molecular equation : Fe(NO3)2 + Mg(s) ----> Fe(s) + Mg(NO3)2(aq)
Ionic equation : Fe2+(aq) -----> Fe(s)
Mg(s) ---> Mg2+(aq)
Net ionic equation : Fe2+(aq) + Mg(s) -----> Fe(s) + Mg2+(aq)
f) Fe(No3)2 and Zn
Molecular equation : Fe(NO3)2 + Zn(s) ----> Fe(s) + Zn(NO3)2(aq)
Ionic equation : Fe2+(aq) -----> Fe(s)
Zn(s) ---> Zn2+(aq)
Net ionic equation : Fe2+(aq) + Zn(s) -----> Fe(s) + Zn2+(aq)
g) Mg(No3)2 and Ca
Molecular equation : Mg(NO3)2 + Ca(s) ----> Mg(s) + Ca(NO3)2(aq)
Ionic equation : Mg2+(aq) -----> Mg(s)
Ca(s) ---> Ca2+(aq)
Net ionic equation : Mg2+(aq) + Ca(s) -----> Mg(s) + Ca2+(aq)
h) SnCl4 and Ca
Molecular equation : SnCl4 + 2Ca(s) ----> Sn(s) + 2CaCl2(aq)
Ionic equation : Sn4+(aq) -----> Sn(s)
2Ca(s) ---> 2Ca2+(aq)
Net ionic equation : Sn2+(aq) + 2Ca(s) -----> Sn(s) + 2Ca2+(aq)
i) SnCl4 and Mg
Molecular equation : SnCl4 + 2Mg(s) ----> Sn(s) + 2MgCl2(aq)
Ionic equation : Sn4+(aq) -----> Sn(s)
2Mg(s) ---> 2Mg2+(aq)
Net ionic equation : Sn2+(aq) + 2Mg(s) -----> Sn(s) + 2Mg2+(aq)
j) SnCl4 and Zn
Molecular equation : SnCl4 + 2Zn(s) ----> Sn(s) + 2ZnCl2(aq)
Ionic equation : Sn4+(aq) -----> Sn(s)
2Zn(s) ---> 2Zn2+(aq)
Net ionic equation : Sn2+(aq) + 2Zn(s) -----> Sn(s) + 2Zn2+(aq)
k) SnCl4 and Cu
Molecular equation : SnCl4 + 2Cu(s) ----> Sn(s) + 2CuCl2(aq)
Ionic equation : Sn4+(aq) -----> Sn(s)
2Cu(s) ---> 2Cu2+(aq)
Net ionic equation : Sn2+(aq) + 2Cu(s) -----> Sn(s) + 2Cu2+(aq)
l) Zn(No3)2 and Ca
Zn(NO3)2 + Ca(s) ----> Zn(s) + Ca(NO3)2(aq)
Ionic equation : Zn2+(aq) -----> Zn(s)
Ca(s) ---> Ca2+(aq)
Net ionic equation : Zn2+(aq) + Ca(s) -----> Zn(s) + Ca2+(aq)
Part B:
1. if the temperature of the hydrochloric acid solution before mixing was 22.3oC and the temperature of the sodium hydroxide solution before mixing was 22.5oC, the temperature that should be reported for T1 is,
T1 = 22.3 + 22.5 / 2 = 22.4 C
2. A student obtained the time-temperature data shown in the table below after mixing the solutions in Question (1) above. The temperature that should be reported for T2 is,
Time (min) Temp (
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