How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 14.34 grams of Fe2O3? Report your answer with 3 significant figures. Molar mass of Fe2O3 = 159.69 g/mol 4 Fe + 3 O2 → 2 Fe2O3

Consider the following balanced equation: 2 H2 + O2 → 2 H2OWhat mass of water (H2O) will be collected if 20.0 grams of oxygen gas (O2) are consumed? (Mass of H2O = 18.02 g/mol and Mass of O2 = 32.00 g/mol)

During the decomposition of KClO3, 4.14 grams of oxygen gas are created. How many moles of KClO3 reacted? Report your answer with 3 significant figures. 2 KClO3 → 2 KCl + 3 O2

Lead(II) oxide from an ore can be reduced to elemental lead by heating in a furnace with carbon. Calculate the expected yield of lead if 67.0 kg of lead oxide is heated with 67.0 kg of carbon.

The balanced chemical equation is P₄(s) + 6 Cl₂(g) → 4 PCl₃(g). What is the mass in grams of phosphorus trichloride that can be formed from 226.0 grams of chlorine gas based on the balanced chemical equation?

Lead ions can be precipitated from solution with KCl according to the reaction: Pb2+ (aq) + 2KCl(aq) → PbCl₂ (s) + 2K+ (aq) When 34.3 g KCl is added to a solution containing 25.8 g Pb²+, PbCl2 (s) forms. The solid is filtered and dried and found to have a mass of 30.9 g. theoretical yield of PbCl2 = 25.8 g Ph Part C % yield = Determine the percent yield for the reaction. Express your answer in percent to three significant figures. 15 ΑΣΦ X Ċ 1 mel P5²+ 1 mol 1 met X 207.2 g Pb² ? %

magnesium oxide can be produced by heating magnesium metal in the presence of oxygen. When 10.1 g of Mg reacts with 10.5 g of O2, 11.9 g of MgO are collected. What is the balanced equation for this reaction, including all states of matter?

How many grams of O2(g) are required to react completely with a piece of magnesium metal that measures 0.10 cm × 1.0 cm × 4.0 cm? The density of magnesium metal is 1.738 g/cm3.

The balanced equation for the decomposition of potassium chlorate is shown below. When carried out in lab, this reaction is found to produce 1.2 g of potassium chloride. For your convenience, the molar mass of each substance Is shown below their formulas (in purple). Use this Information to make the requested calculation: 2 KCIO3(s) -> 2 KCI(s) + 3 02(g) 122.551 74.551 32 Determine the percent yield if the reaction consumes 2900 mg of potassium chlorate:

Honors Chemistry Chapter 9 Name/Date 3. Gold is very valuable because it does not oxidize easily. It can be oxidized by reacting it with nitric acid as shown below: Au(s) + 4H'(aq) + NO: (aq) → NO(g) + 2H:0(g) + Au³ (aq) 3a. If 30 grams of gold react with 3.4 grams of nitrate ion, which reactant is limiting?. 3b. What is the theoretical yield?. 4. Lead (II) nitrate reacts with sodium chloride according to the equation below: Pb(NO.): + NaCl → PbCla + NANO. 4a. If 8.3 grams of lead (II) nitrate react with 5 grams of sodium chloride, which material would be the limiting reactant? 4b. What is the theoretical yield?