11-13 11. The complete combustion of octane, C8H18, a component of gasoline, proceeds asfollows:2 CeH18 + 25 O2 → 16 CO2 + 18 H20a) how many moles of CO2 are produced when 1.50 mol octane reacted?b) How many grams water produced in this reaction?c) How many moles oxygen required to form 90.0 g water?12. In a certain experiment 2.50 g of NH3 reacts with 2.85 g of O2. Which reactant is thelimiting reactant? How many grams of NO form? How much excess reactant remainsafter the liming reactant is completely consumed?13. Given 30.0 g benzene and 65.0 g bromine in the following reaction:C&Ho + Brz → CgHgBr + HBrIf the actual yield of CHsßobenzene, is 56.7 g, what is the percentage yield?80°FEncHomeF9PrtScnF6F7F8F3F4F5478TYU

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11. The complete combustion of octane, C8H18, a component of gasoline, proceeds as follows: 2 CeH18 + 25 O2 → 16 CO2 + 18 H20 a) how many moles of CO2 are produced when 1.50 mol octane reacted? b) How many grams water produced in this reaction? c) How many moles oxygen required to form 90.0 g water?

11. The complete combustion of octane, C8H18, a component of gasoline, proceeds as follows: 2 CeH18 + 25 O2 → 16 CO2 + 18 H20 a) how many moles of CO2 are produced when 1.50 mol octane reacted? b) How many grams water produced in this reaction? c) How many moles oxygen required to form 90.0 g water?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 124E: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: In a...

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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?
DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: In a government lab, 1142 g of chlorobenzene is reacted with 485 g of chloral. a. What mass of DDT is formed, assuming 100% yield? b. Which reactant is limiting? Which is in excess? c. What mass of the excess reactant is left over? d. If the actual yield of DDT is 200.0 g, what is the percent yield?
4.14 The combustion of liquid chloroethylene, C2H3Cl, yields carbon dioxide, steam, and hydrogen chloride gas. (a) Write a balanced equation for the reaction. (b) How many moles of oxygen are required to react with 35.00 g of chloroethylene? (c) If 125.00 g of chloroethylene reacts with an excess of oxygen, how many grams of each product are formed?
Consider the equation: 2A+B5C. If 10.0 g of A reacts with 5.00 g of B. how is the limiting reactant determined? Choose the best answer and explain. l type='a'> Choose the reactant with the smallest coefficient in the balanced chemical equation. So in this case, the limiting reactant is B. Choose the reactant with the smallest mass given. So in this case, the limiting reactant is The mass of each reactant must be converted to moles and then compared to the ratios in the balanced chemical equation. So in this case, the limiting reactant cannot be determined without the molar masses of A and B. The mass of each reactant must he converted to moles first. The reactant with the fewest moles present is the limiting reactant. So in this case, the limiting reactant cannot be determined without the molar masses of A and B. The mass of each reactant must be divided by their coefficients in the balanced chemical equation, and the smallest number present is the limiting reactant. So in this case, there is no limiting reactant because A and B arc used up perfectly.
ou know that chemical A reacts with chemical B. You react 10.0 g A with 10.0 g B. What information do you need to know to determine the amount of product that will be produced? Explain.
4.12 In petroleum refining, hydrocarbons are often manipulated by reacting them with H2(g). If hexene, C6H12, is reacted with hydrogen to form hexane, C6H14, how many moles of hydrogen are needed to react with 453 moles of hexene?
4.110 Write the balanced chemical equation lot the combustion of ethane, C2H6, and answer these questions. (a) How many molecules of oxygen would combine with 14 molecules of ethane in this reaction? (b) If 13.0 mol of oxygen is consumed in a reaction, how many moles of water are produced? (e) How many grams of ethane are burned if 4.201022 molecules of CO2 are produced?
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?
4.71 The particulate scale drawing shown depict the products of a reaction between N2 and O2 molecules. (a) Draw a similar representation for the reactants that must have been present before the reaction took place. (b) Write a balanced chemical equation for the reaction, using the smallest possible whole number coefficients. (c) Identify the limiting reactant, and explain how the pictures allow you to do so.
Consider the following unbalanced chemical equation for the combustion of pentane (C5H12): C5H12(l)+O2(g)CO2(g)+H2O(l) If 20.4 g of pentane are burned in excess oxygen, what mass of water can be produced, assuming 100% yield?
4.29 When Al(OH)3 reacts with sulfuric acid, the following reaction occurs: 2Al(OH)3+3H2SO4Al2( SO4)3+6H2O If 1.7103 g of Al(OH)3 is combined with 680 g of H2SO4, how much aluminum sulfate can form?
The gaseous hydrocarbon acetylene, C2H2, is used in welders’ torches because of the large amount of heat released when acetylene burns with oxygen. :math>2C2H2(g)+5O2(g)4CO2(g)+2H2O(g) w many grams of oxygen gas are needed for the complete combustion of 150 g of acetylene?