Chem hw 5

2Al(s) + 6HCI(aq) → 3H₂(g) + 2AlCl₃(aq)

Balance the following chemical equation (if necessary): Al(s) + HCI(aq) → H₂(g) + AlCl₃(aq)

3,2

What are the coefficients in front of the H₂ and the Au if you balance the following unbalanced equation: Au₂S₃ + H₂ → Au + H₂S?

2,3,2

What numbers belong in the blank spaces to fully balance the following reaction? __Fe (s) + __Cl₂ (g) → __FeCl₃ (s)

2Ca(s) + O₂(g) → 2CaO(s)

Balance the following chemical equation (if necessary): Ca(s) + O₂(g) → CaO(s)

2 Fe(NO₃)₃(aq) + 3 Sn(s) → 2 Fe(s) + 3 Sn(NO₃)₂(aq)

Balance the following chemical equation (if necessary): Fe(NO₃)₃(aq) + Sn(s) → Fe(s) + Sn(NO₃)₂(aq)

2KOH + H2S = 2H2O + K2S

Balance the following chemical equation (if necessary): KOH(aq)+H₂S(aq)→H₂O(l)+K₂S(aq)

3Mg(s) + N₂(g) → Mg₃N₂(s)

Balance the following chemical equation (if necessary): Mg(s) + N₂(g) → Mg₃N₂(s)

Al₂(SO₄)₃ (aq) + 2 K₃PO₄ (aq) → 2 AlPO₄ (s) + 3 K₂SO₄ (aq)

Balance the following chemical reaction: Al₂(SO₄)₃ (aq) + K₃PO₄ (aq) → AlPO₄ (s) + K₂SO₄ (aq)

HCl, NaHCO₃

What are the reactants in the following equation: HCl(aq) + NaHCO₃(aq)→ CO₂(g) + H₂O(l) + NaCl(aq)

Fe₂S₃ (s) + 6 HCl (g) → 2 FeCl₃ (s) + 3 H₂S (g)

Give the balanced equation for solid iron(III) sulfide reacting with gaseous hydrogen chloride to form solid iron(III) chloride and hydrogen sulfide gas.

2385 g

How many grams of CuO would be required to produce 10.0 moles of nitrogen gas in the following chemical reaction? 2 NH₃(g) + 3 CuO(s) → 3 Cu(s) + N₂(g) + 3 H₂O(g)

3

What is the coefficient in front of the O₂ when the equation below is balanced (using only whole numbers and the lowest whole number ratio)? C₂H₄(g) + O₂ (g) → CO₂(g) + H₂O (g)

9.19 g CO2

How many grams of carbon dioxide would be required to react with 10.0 g of LiOH in the following chemical reaction? 2 LiOH(s) + CO₂(g) → Li₂CO₃(s) + H₂O(l)

0.652 mol HNO3

How many moles of HNO₃ will be produced from the reaction of 45.0 g of NO₂ with excess water in the following chemical reaction? 3 NO₂(g) + H₂O (l) → 2 HNO₃(g) + NO(g)

0.752 mol

How many moles of H₂O can be formed from 3.02 × 10²³ atoms of NH₃ from the following equation? 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g)

0.313 mol NH4

How many moles of ammonia would be required to react exactly with 0.470 moles of copper(II) oxide in the following chemical reaction? 2 NH₃(g) + 3 CuO(s) → 3 Cu(s) + N₂(g) + 3 H₂O(g)

2 C₃H₇OH(l) + 9 O₂(g) → 6 CO₂(g) + 8 H₂O(g)

Write a balanced chemical equation based on the following description: propanol, C₃H₇OH(l) burns in air

Pb(ClO₂)₄(s) → PbCl₄(s) + 4 O₂(g)

Write a balanced chemical equation based on the following description: solid lead(IV) chlorite decomposes to from solid lead(IV) chloride and oxygen gas.

13.0 g NO

How many grams of NO will be produced from 60.0 g of NO₂ reacted with excess water in the following chemical reaction? 3 NO₂(g) + H₂O(l) → 2 HNO₃(g) + NO(g)

1.13 mol N2

How many moles of nitrogen gas would be produced if 3.40 moles of copper(II) oxide were reacted with excess ammonia in the following chemical reaction? 2 NH₃(g) + 3 CuO (s) → 3 Cu(s) + N₂(g) + 3 H₂O(g)

3

How many oxygen atoms are located on the reactant side of the following chemical equation? 2 Al(s) + Fe₂O₃(s) → Al₂O₃(s) + 2 Fe(l)

50.2 g

Nitrogen gas can be prepared by passing ammonia over copper(II) oxide, and the other products are copper metal and water vapor. If a sample containing 3.58 moles of NH₃ is reacted with excess copper(II) oxide, how many grams of N₂ will be formed?

IrBr₃(aq) + 3 AgC₂H₃O₂(aq) → 3 AgBr(s) + Ir(C₂H₃O₂)₃(aq)

Write a balanced chemical equation based on the following description: aqueous iridium(III) bromide reacts with aqueous silver acetate to form solid silver bromide and aqueous iridium(III) acetate

2 K₃PO₄(aq) + 3 NiBr₂(aq) → Ni₃(PO₄)₂(s) + 6 KBr(aq)

Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel(II) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide.

C₃H₇COOH(l) + 5 O₂(g) → 4 CO₂(g) + 4 H₂O(g)

Write a balanced chemical equation based on the following description: butanoic acid, C₃H₇COOH(l) burns in air

reactant and a hydrocarbon

Consider the following reaction: C₆H₁₄ + 19/2O₂ → 7H₂O + 6CO₂. Here, C₆H₁₄ is a(n):