Concept explainers
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane:
If 5.00 × 103 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Interpretation: The amount of
Concept introduction: The mass of a substance can be obtained by using the number of moles of the substance present and its molar mass. The formula used to calculate the mass of a given substance is,
To determine: The mass of
Answer to Problem 127E
The mass of
Explanation of Solution
To determine: The mass of
Given
The stated chemical reaction is,
The given mass of
The given mass of
The given mass of
The yield of the reaction is
The molar mass of
The molar mass of
The molar mass of
Formula
The number of moles of a substance is calculated by the formula,
Substitute the value of the given mass and the molar mass of
According to the stated reaction,
The number of moles of
According to the stated reaction,
The number of moles of
According to the stated reaction,
The molar mass of
The mass of a substance is calculated by the formula,
Substitute the value of the number of moles of
To determine: The mass of
Given
The stated chemical reaction is,
According to the stated reaction,
The molar mass of
The mass of a substance is calculated by the formula,
Substitute the value of the number of moles of
The mass of
Want to see more full solutions like this?
Chapter 3 Solutions
OWLv2 with MindTap Reader, 4 terms (24 months) Printed Access Card for Zumdahl/Zumdahl/DeCoste’s Chemistry, 10th Edition
- The active ingredient in Pepto-Bismo® (an over- the-counter remedy for an upset stomach) is bismuth sub-salicylate, C7H5BiO4. Analysis of a 1.7500-g sample of Pepto-Bismol yields 346 mg of bismuth. What percent by mass is bismuth subsalicylate in the sample? (Assume that there are no other bismuth-containing compounds in Pepto-Bismol.)arrow_forward3.96 Methyl cyanoacrylate is the chemical name for the substance sold as Super Glue, and it has the chemical formula C5H5NO2. Calculate the number of molecules of this substance in a 1.0-ounce tube of Super Glue, assuming that the glue is 80% methyl cyanoacrylate by mass.arrow_forwardThe reaction of iron metal and chlorine gas to give iron(III) chloride is illustrated below. (a) Write the balanced chemical equation for the reaction. (b) Beginning with 10.0 g of iron, what mass of Cl2, in grams, is required for complete reaction? What mass of FeCl3 can be produced? (c) If only 18.5 g of FeCl3 is obtained from 10.0 g of iron and excess Cl2, what is the percent yield? (d) If 10.0 g each of iron and chlorine are combined, what is the theoretical yield of iron(III) chloride?arrow_forward
- The reaction of methane and water is one way to prepare hydrogen for use as a fuel: CH4(g) + H2O(g) CO(g) + 3 H2(g) If you begin with 995 g of CH4 and 2510 g of water, (a) Which reactant is the limiting reactant? (b) What is the maximum mass of H2 that can be prepared? (c) What mass of the excess reactant remains when the reaction is completed?arrow_forwardCopper metal reacts with mine acid. Assume that the reaction is 3Cu(s)+8HNO3(aq)3Cu(NO3)2(aq)+2NO(g)+4H2O(l) If 5.58 g Cu(NO3)2 is eventually obtained, how many grams of nitrogen monoxide, NO, would have formed?arrow_forwardNitrogen fixation in the root nodules of peas and other legumes occurs with a reaction involving a molybdenum-containing enzyme named nitrogenase. This enzyme contains two Mo atoms per molecule and is 0.0872% Mo by mass. Calculate the molar mass of the enzyme.arrow_forward
- The structure of one of the bases in DNA, adenine, is shown here. Which represents the greater mass: 40.0 g of adenine or 3.0 1023 molecules of the compound?arrow_forwardBoth water and sulfur dioxide are products from the reaction of sulfuric acid (H2SO4) with copper metal, asshown by the equation 2H2SO4 + Cu SO2 + 2H2O + CuSO4 How many grams of H2O will be produced at the same time that 10.0 g of SO2 is produced?arrow_forwardYou perform a combustion analysis on a 255 mg sample of a substance that contains only C, H, and O, and you find that 561 mg CO2 is produced, along with 306 mg H2O. a If the substance contains only C, H, and O, what is the empirical formula? b If the molar mass of the compound is 180 g/mol, what is the molecular formula of the compound?arrow_forward
- Boron forms an extensive series of compounds with hydrogen, all with the general formula BxHy. To analyze one of these compounds, you burn it in air and isolate the boron in the form of B2O3 and the hydrogen in the form of water. You find that 0.1482 g BxHy gives 0.4221 g B2O3 when burned in excess O2. Determine the empirical I formula of BxHy.arrow_forward3.113 MgCl2 is often found as an impurity in table salt (NaCl). If a 0.05200-g sample of table salt is found to contain 61.10% Cl by mass, describe how you could determine the percentage of MgCl2 in the sample.arrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningGeneral, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning