Chemistry Homework 7

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Complete the balanced neutralization equation for the reaction below: KOH(aq) + H₂SO₄(aq)

2 KOH(aq) + H₂SO₄(aq) → K₂SO₄(aq) + 2 H₂O(l)

Balance the following chemical equation (if necessary): KOH + H2S = H2O + K2S

2KOH + H2S → 2H2O + K2S

Balance the following chemical equation (if necessary): Mg + N2 = Mg3N2

3Mg + N2 → Mg3N2

Balance the following chemical equation (if necessary): ZnS + AlP → Zn3P2 + Al2S3

3ZnS + 2AlP → Zn3P2 + Al2S3

What are the reactants in the following equation: HCl(aq) + NaHCO₃(aq)→ CO₂(g) + H₂O(l) + NaCl(aq) A) HCl, NaHCO₃ B) HCl, CO₂ C) NaHCO₃, H₂O D) CO₂, H₂O E) H₂O, NaCl, CO₂

A) HCl, NaHCO₃

Predict the products and balance the following reaction: Ag₂SO₄(aq) + NaCl(aq) → A) Ag₂SO₄(aq) + NaCl(aq) → NaSO₄(aq) + AgCl(s) B) Ag₂SO₄(aq) + NaCl(aq) → Na₂SO₄(aq) + 2AgCl(aq) C) Ag₂SO₄(aq) + 2NaCl(aq) → Na₂SO₄(aq) + 2AgCl(s) D) 2Ag₂SO₄(aq) + 4NaCl(aq) → Na₂SO₄(aq) + 4AgCl(s)

C) Ag₂SO₄(aq) + 2NaCl(aq) → Na₂SO₄(aq) + 2AgCl(s)

Complete the balanced neutralization equation for the reaction below: LiOH(aq) + HBr(aq)

HBr(aq) + LiOH(aq) → LiBr(aq) + H₂O(l)

Complete the balanced neutralization equation for the reaction below: HClO₄(aq) + CsOH(aq)

HClO₄(aq) + CsOH(aq) → CsClO₄(aq) + H₂O(l)

Balance the following chemical equation (if necessary): Mg + HCl = H2 + MgCl2

Mg + 2HCl = H2 + MgCl2

Balance the following chemical equation (if necessary): Mg(OH)2 + HCl = H2O + MgCl2

Mg(OH)2 + 2HCl → 2H2O + MgCl2

Balance the following chemical equation (if necessary): Mg3(PO4)2 = Mg + PO4

Mg3(PO4)2 = 3Mg + 2PO4

Balance the following chemical equation (if necessary): MnO2 + HCl = MnCl2 + H2O + Cl2

MnO2 + 4HCl → MnCl2 + 2H2O + Cl2

Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs, write NR after the reaction arrow. Na2CO3(aq) + Ca(NO3)2(aq)

Na₂CO₃(aq) + Ca(NO₃)₂(aq) → CaCO₃(s) + 2 NaNO₃(aq)

Balance the following chemical equation (if necessary): Zn + AgNO3 = Ag + Zn(NO3)2

Zn + 2AgNO3 = 2Ag + Zn(NO3)2


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