Question

Express your answer with the appropriate units.

1. How many milliliters of oxygen gas at STP are released from heating 2.05 g of mercuric oxide?
2HgO(s)→2Hg(l)+O2(g)

2.How many grams of iron(III) carbonate decompose to give 61.2 mL of carbon dioxide gas at STP?Fe2(CO3)3⟶ΔFe2O3(s)+3CO2(g)

3. How many milliliters of oxygen gas at STP are released from heating 2.05 g of mercuric oxide?
2HgO(s)→2Hg(l)+O2(g)

4.Assuming constant conditions, how many milliliters of chlorine gas react to yield 2.00 L of dichlorine trioxide?Cl2(g)+O2(g)→Cl2O3(g)

5.Assuming constant conditions, how many milliliters of oxygen gas react to give 1.80 L of Cl2O3?Cl2(g)+O2(g)→Cl2O3(g)

6.If 1.70 mol of nitrogen monoxide gas and 2.40 mol of oxygen gas react, what is the limiting reactant?2NO(g)+O2(g)→2NO2(g)?

A. NO

B. O2

C. Niether

7. If 5.00 mol of hydrogen gas and 1.70 mol of oxygen gas react, what is the limiting reactant?
2H2(g)+O2(g)→2H2O(l)?How many moles of water are produced according to the equation?How many moles of water are produced according?

8.If 1.00 mol of ethane gas and 3.00 mol of oxygen gas react, what is the limiting reactant?
2C2H6(g)+7O2(g)→4CO2(g)+6H2O(g)

O2

C2H6

neither C2H6 nor O2

9.If 45.5 g of molten iron(II) oxide reacts with of 21.0 g of magnesium, what is the mass of iron produced?FeO(l)+Mg(l)⟶ΔFe(l)+MgO(s)

10.If 59.0 g of molten iron(III) oxide reacts with 30.7 g of aluminum, what is the mass of iron produced?Fe2O3(l)+Al(l)⟶ΔFe(l)+Al2O3(s)

11.If 0.614 g of magnesium hydroxide reacts with 1.00 g of sulfuric acid, what is the mass of magnesium sulfate produced?

Mg(OH)2(s)+H2SO4(l)→MgSO4(s)+H2O(l)

12.If 99.0 mL of nitrogen gas reacts with 43.0 mL of oxygen gas, what is the volume of NO2 produced? Assume all gases are at the same temperature and pressure.

N2(g)+O2(g)→NO2(g)

13.If 35.0 mL of nitrogen gas reacts with 74.0 mL of oxygen gas, what is the volume of N2O3 produced? Assume all gases are at the same temperature and pressure.

N2(g)+O2(g)→N2O3(g)