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- 4.19 How many metric tons of carbon are required to react with 7.83 metric tons of Fe2O3 according to the following reaction? 2Fe2O3+3C3CO2+4Fe How many metric tons of iron are produced?arrow_forwardNitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g)+5O24NO(g)+6H2O(g)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(aq)+NO(g) What mass of NH3 must be used to produce 1.0 106 kg HNO3 by the Ostwald process? Assume 100% yield in each reaction, and assume that the NO produced in the third step is not recycled.arrow_forward4.43 Magnesium nitride forms in a side reaction when magnesium metal burns in air. This reaction may also be carried out in pure nitrogen. 3Mg(s)+N2(g)Mg3N2(s) If 18.4 g of Mg3N2forms from the reaction of 20.0 g of magnesium with excess nitrogen, what is the percentage yield?arrow_forward
- How many moles of nitrogen gas would be produced if 4.08 moles of copper II ) oxide were reacted with excess ammonia in the following chemical reaction ? 2NH 3 (g)+3 CuO(s) 3 Cu(s)+N 2 (g)+3; H 2 O(g)arrow_forward1.When the following equation is balanced, the coefficient for oxygen is: C8H18(g) + O2(g) => CO2(g) + H2O(g) Group of answer choices A, 18 B, 25 C, 16 D, 19 4.Calculate the number of moles of Fe produced from 1.25 moles of Fe2O3 by the following balanced reaction Fe2O3 + 3 C => 2 Fe + 3 CO Group of answer choices A, 3.75 B, 1.25 C, 0.63 D, 2.50arrow_forwardHow many moles of nitrogen gas would be produced if 9.29 moles of copper(II) oxide were reacted with excess ammonia in the following chemical reaction? 2 NH₃(g) + 3 CuO (s) → 3 Cu(s) + N₂(g) + 3 H₂O(g)arrow_forward
- In the reaction CH 4 + 2 O 2 → CO 2 + 2 H 2O, how many moles of oxygen are required to burn 8.0 g of methane?arrow_forwardWhat is the coefficient in front of potassium hydroxide when the equation is balanced using smallest whole number integers? S (s) + O2 (g) + KOH (aq) → K2SO4 (s) + H2O (l) Group of answer choices A)4 B)5 C)3 D)2 E)1arrow_forwardWhat is the coefficient of CO 2 when the following equation is properly balanced with the smallest set of whole numbers? C 4H 10 + O 2 ---> CO 2 + H 2Oarrow_forward
- What are the stoichiometric coefficients in the followingequation when it is balanced?CH4(g) + H2O(g) H2(g) + CO2(g)a) 1, 2, 2, 2b) 2, 1, 1, 2c) 1, 2, 2, 1d) 2, 2, 2, 1e) 1, 2, 4, 1arrow_forwardGiven the reaction: 4NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (l)When 1.25 mole of ammonia reacts, what will be the total number of moles ofproducts formed?arrow_forwardSilicon nitride (Si3N4) a valuable ceramic, is made by the direct combination of silicon and nitrogen at high temperature. How many grams of silicon must react with excess nitrogen to prepare 125g Si3N4 if the yield of the reaction is 85.0%?arrow_forward
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781285199030Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning