9.7 b. moles of uca to YOU The chemical reaction of hydrogen with oxygen produces water. 2H₂(g) + O₂(g) → 2H₂O(g) a. How many moles of O₂ are required to react with 2.6 mol of H₂? b. How many moles of H₂ are needed to react with 5.0 mol of 0₂? How many moles of H₂O form when 2.5 mol of O₂ reacts? C

9.7 b. moles of uca to YOU The chemical reaction of hydrogen with oxygen produces water. 2H₂(g) + O₂(g) → 2H₂O(g) a. How many moles of O₂ are required to react with 2.6 mol of H₂? b. How many moles of H₂ are needed to react with 5.0 mol of 0₂? How many moles of H₂O form when 2.5 mol of O₂ reacts? C

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter3: Mass Relations In Chemistry; Stoichiometry

Section: Chapter Questions

Problem 54QAP: Ammonia reacts with a limited amount of oxygen according to the equation...

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Chlorine and fluorine react to form gaseous chlorine trifluoride. Initially, 1.75 mol of chlorine and 3.68 mol of fluorine are combined. (Assume 100% yield for the reaction.) (a) Write a balanced equation for the reaction. (b) What is the limiting reactant? (c) What is the theoretical yield of chlorine trifluoride in moles? (d) How many moles of excess reactant remain after reaction is complete.
Cyanogen gas, C2N2, has been found in the gases of outer space. It can react with fluorine to form carbon tetrafluoride and nitrogen trifluoride. C2N2(g)+7F2(g)2CF4(g)+2NF3(g)(a) How many moles of fluorine react with 1.37 mol of cyanogen? (b) How many moles of CF4 are obtained from 13.75 mol of fluorine? (c) How many moles of cyanogen are required to produce 0.8974 mol of NF3? (d) How many moles of fluorine will yield 4.981 mol of nitrogen trifluoride?
Small quantities of oxygen gas can be generated in the laboratory by the decomposition of hydrogen peroxide. The unbalanced equation for the reaction is H2O2(uz/)-? H2O(/) + O2(g) Calculate the mass of oxygen produced when 10.00 g of hydrogen peroxide decomposes.
Ammonia reacts with a limited amount of oxygen according to the equation 4NH3(g)+5O2(g)4NO(g)+6H2O(l)(a) How many moles of NO are obtained when 3.914 moles of oxygen are used? (b) How many moles of oxygen are required to react with 2.611 moles of ammonia? (c) How many moles of water are obtained when 0.8144 moles of ammonia are used? (d) How many moles of oxygen are required to produce 0.2179 mol of water?
4.72 The picture shown depicts the species present at the start of a combustion reaction between methane, CH4 and oxygen, O2 (a) What is the limiting reactant? (b) Draw the resulting state after this set of reactants has reacted as far as possible.
Consider the hypothetical reaction between A2 and AB pictured below. What is the balanced equation? lf 2.50 moles of A2 are reacted with excess AB, what amount (moles) of product will form? If the mass of AB is 30.0 u and the mass of A2 are 40.0 u, what is the mass of the product? If 15.0 g of AB is reacted, what mass of A2 is required to react with all of the AB, and what mass of product is formed?
4.17 Phosgene is a highly toxic gas that has been used as a chemical weapon at times in the past. It is now used in the manufacture of polycarbonates, which are used to make phone cases and plastic eyeglass lenses. Phosgene is produced by the reaction, CO+Cl2COCl2 . Given an excess of carbon monoxide, what mass of chlorine gas must be reacted to form 4.5 g of phosgene?
Citric acid (C6H8O7) is made by fermentation of sugarssuch as sucrose (C12H22O11) in air. Oxygen is consumedand water generated as a by-product. (a) Write a balanced equation for the overall reaction thatoccurs in the manufacture of citric acid from sucrose. (b) What mass of citric acid is made from 15.0 kg sucrose?
4.33 Silicon carbide, an abrasive, is made by the reaction of silicon dioxide with graphite (solid carbon): SiO2+CSiC+CO(balanced?) We mix 150.0 g of SiO2 and 101.5 g of C. If the reaction proceeds as far as possible, which reactant is left over? How much of this reactant remains?
4.9 Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. (a) Write a balanced chemical equation for this reaction. (b) If 200 oxygen molecules are used up in this reaction, how many sulfur molecules react? (c) How many sulfur dioxide molecules are formed in part (b)?
For the reaction: 2N2 (g) + 3O2 (g) → 2N2O3 (g)(a) How many moles of N2 are required to react completely with 1 mole of O2?(b) How many moles of N2O3 are produced from the complete reaction of 1 mole of O2?(c) How many moles of O2 are required to produce 8 moles of N2O3?
For the following reaction: N2(g) + H2(g) -------> NH3(g) Balanced = N2+ 3H2---->2NH3 1. Determine the number of moles of H2 required to react with 8.50 grams of N2 2. How many moles of NH3 can be formed from 8.50g of N2?