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Express your answer as a balanced chemical equation. Identify all of the phases in your answer.

1. Li(s)+N2(g)→Li3N(s)

2. TiCl4(l)+H2O(l)→TiO2(s)+HCl(aq)

3. NH4NO3(s)→N2(g)+O2(g)+H2O(g)

4. Ca3P2(s)+H2O(l)→Ca(OH)2(aq)+PH3(g)

5. Al(OH)3(s)+H2SO4(aq)→Al2(SO4)3(aq)+H2O(l)

6.AgNO3(aq)+Na2SO4(aq)→Ag2SO4(s)+NaNO3(aq)

7. C2H5NH2(g)+O2(g)→CO2(g)+H2O(g)+N2(g)

Respuesta :

Explanation:

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

1.[tex]Li(s)+N_2(g)\rightarrow Li_3N(s)[/tex]

The balanced equation is:

[tex]6Li(s)+N_2(g)\rightarrow 2Li_3N(s)[/tex]

2. [tex]TiCl_4(l)+H_2O(l)\rightarrow  TiO_2(s)+HCl(aq)[/tex]

The balanced equation is:

[tex]TiCl_4(l)+2H_2O(l)\rightarrow TiO_2(s)+4HCl(aq)[/tex]

3. [tex]NH_4NO_3(s)\rightarrow N_2(g)+O_2(g)+H_2O(g)[/tex]

The balanced equation is:

[tex]2NH_4NO_3(s)\rightarrow 2N_2(g)+O_2(g)+4H_2O(g)[/tex]

4.[tex] Ca3P2(s)+H2O(l)\rightarrow Ca(OH)2(aq)+PH3(g)[/tex]

The balanced equation is:

[tex] Ca_3P_2(s)+6H_2O(l)\rightarrow 3Ca(OH)_2(aq)+2PH_3(g)[/tex]

5. [tex]Al(OH)_3(s)+H_2SO_4(aq)\rightarrow Al_2(SO_4)_3(aq)+H_2O(l)[/tex]

The balanced equation is:

[tex]2Al(OH)_3(s)+3H_2SO_4(aq)\rightarrow Al_2(SO_4)_3(aq)+6H_2O(l)[/tex]

6.[tex] AgNO_3(aq)+Na_2SO_4(aq)\rightarrow Ag_2SO_4(s)+NaNO_3(aq)[/tex]

The balanced equation is:

[tex] 2AgNO_3(aq)+Na_2SO_4(aq)\rightarrow Ag_2SO_4(s)+2NaNO_3(aq)[/tex]

7. [tex]C_2H_5NH_2(g)+O_2(g)\rightarrow  CO_2(g)+H_2O(g)+N_2(g)[/tex]

The balanced equation is:

[tex]4C_2H_5NH_2(g)+15O_2(g)\rightarrow  8CO_2(g)+14H_2O(g)+2N_2(g)[/tex]

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