Question

1) Write the ionic and net ionic equations for the balanced chemical reaction given. Ca(NO3)2(aq) +...

1)

Write the ionic and net ionic equations for the balanced chemical reaction given.
Ca(NO3)2(aq) + Na2CO3(aq) CaCO3(s) + 2 NaNO3(aq)

2)

Give the products of the reaction between aqueous solutions of Na3PO4 and MgCl2.
Na3PO4 + MgCl2 

3)

How much energy is needed to raise the temperature of 49.32 g of copper metal from
23.0oC to 137.0oC?

Homework Answers

Answer #1

1)

molecular equation is:

Ca(NO3)2 (aq) + Na2CO3 (aq) --> CaCO3 (s) + 2 NaNO3 (aq)

To get complete ionic equation, break aqueous components into respective ions

So, the complete ionic equation is

Ca2+ (aq) + 2 NO3- (aq) + 2 Na+ (aq) + CO32- (aq) --> CaCO3 (s) + 2 Na+ (aq) + 2 NO3- (aq)

To get net ionic equation, remove the common ions from both sides

So, the net ionic equation is

Ca2+ (aq) + CO32- (aq) --> CaCO3 (s)

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