Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 3, Problem 67GQ
Balance the following equations:
(a) for the synthesis of urea, a common fertilizer
CO2(g) + NH3(g) → NH2CONH2(s) + H2O(ℓ)
(b) for the reactions used to make uranium(V1) fluoride for the enrichment of natural uranium
UO2(s) + HF(aq) → UF4(s) + H2O(ℓ) UF4(s) + F2(g) → UF6(s)
(c) for the reaction to make titanium(Ⅵ) chloride, which is then converted to titanium metal
TiO2(s) + C12(g) + C(s) → Ti(s) + CO(g) TiC14(ℓ) + Mg(s) → Ti(s) + MgC12(s)
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(1) One of the steps in the commercial process for converting ammonia to nitric acid involves the conversion of ammonia, NH3(g) to nitrous oxide, NO(g).
4 NH3(g ) + 5 O2(g) → 4 NO(g) + 6 H2O(l)
Atomic weights (g/mol): N=14, H=1, O=16
a. Balance the above chemical equation that represents the conversion.
b. How many moles of oxygen are needed to convert 2.5 moles of ammonia?
c. How many grams of water will be produced from 2.5 moles of ammonia?
d. If 150 grams of oxygen reacted 2.5 moles of ammonia, identify the limiting and excess reagents.
e. How much of the excess reagent remains unreacted?
f. If the reaction in (d) produces 10.0 grams of nitrous oxide, calculate the percent yield.
S. Titanium occurs in the magnetic mineral ilmenite (FeTiO3),
which is often found mixed with sand. The ilmenite can be
separated from the sand with magnets. The titanium can then
be extracted from the ilmenite by the following set of reactions:
FETIO;(s) + 3 Cl2(g) + 3 C(s) → 3 CO(g) + FeCl2(s) + TiCl,(g)
TICL(g) + 2 Mg(s) –→ 2 MgCl;(1) + Ti(s)
Suppose that an ilmenite-sand mixture contains 22.8% ilmenite
by mass and that the first reaction is carried out with a 90.8%
yield. If the second reaction is carried out with an 85.9% yield,
what mass of titanium can be obtained from 1.00 kg of the
ilmenite-sand mixture?
Chapter 3 Solutions
Chemistry & Chemical Reactivity
Ch. 3.2 - (a) Butane gas, C4H10, can burn completely in air...Ch. 3.4 - Predict whether each of the following ionic...Ch. 3.5 - In each of the following cases, does a...Ch. 3.5 - In each of the following cases, aqueous solutions...Ch. 3.6 - Prob. 3.5CYUCh. 3.6 - Prob. 3.6CYUCh. 3.7 - Prob. 3.7CYUCh. 3.8 - Assign an oxidation number to the underlined atom...Ch. 3.8 - Prob. 3.9CYUCh. 3.9 - Prob. 3.10CYU
Ch. 3.9 - Prob. 1.1ACPCh. 3.9 - Prob. 1.2ACPCh. 3.9 - Prob. 1.3ACPCh. 3.9 - Prob. 1.4ACPCh. 3.9 - Prob. 1.5ACPCh. 3.9 - Prob. 2.1ACPCh. 3.9 - Prob. 2.2ACPCh. 3.9 - Prob. 3.1ACPCh. 3.9 - Prob. 3.2ACPCh. 3 - The equation for the oxidation of phosphorus in...Ch. 3 - Write an equation from the following description:...Ch. 3 - The equation for the reaction of phosphorus and...Ch. 3 - The equation for the reaction of aluminum and...Ch. 3 - Oxidation of 1.00 g of carbon monoxide, CO,...Ch. 3 - A 0.20 mol sample of magnesium burns in air to...Ch. 3 - Write balanced chemical equations for the...Ch. 3 - Write balanced chemical equations for the...Ch. 3 - Prob. 9PSCh. 3 - Prob. 10PSCh. 3 - Prob. 11PSCh. 3 - Balance the following equations, and name each...Ch. 3 - Prob. 13PSCh. 3 - Prob. 14PSCh. 3 - Equal amounts of two acidsHCl and HCO2H (formic...Ch. 3 - Prob. 16PSCh. 3 - What is an electrolyte? How can you differentiate...Ch. 3 - Name and give the formulas of two acids that are...Ch. 3 - Which compound or compounds in each of the...Ch. 3 - Which compound or compounds in each of the...Ch. 3 - The following compounds are water-soluble. What...Ch. 3 - The following compounds are water-soluble. What...Ch. 3 - Decide whether each of the following is...Ch. 3 - Decide whether each of the following is...Ch. 3 - Balance the equation for the following...Ch. 3 - Balance the equation for the following...Ch. 3 - Predict the products of each precipitation...Ch. 3 - Prob. 28PSCh. 3 - Write a balanced equation for the ionization of...Ch. 3 - Write a balanced equation for the ionization of...Ch. 3 - Prob. 31PSCh. 3 - Phosphoric add can supply one, two, or three H3O+...Ch. 3 - Prob. 33PSCh. 3 - Prob. 34PSCh. 3 - Prob. 35PSCh. 3 - Prob. 36PSCh. 3 - Prob. 37PSCh. 3 - Prob. 38PSCh. 3 - Write an equation that describes the equilibrium...Ch. 3 - Write an equation that describes the equilibrium...Ch. 3 - Prob. 41PSCh. 3 - Write two chemical equations, one in which H2PO4...Ch. 3 - Balance the following equations, and then write...Ch. 3 - Balance the following equations, and then write...Ch. 3 - Prob. 45PSCh. 3 - Balance each of the following equations, and then...Ch. 3 - Write balanced net ionic equations for the...Ch. 3 - Write balanced net ionic equations for the...Ch. 3 - Siderite is a mineral consisting largely of...Ch. 3 - The mineral rhodothrosite is manganese()...Ch. 3 - Prob. 51PSCh. 3 - Prob. 52PSCh. 3 - Determine the oxidation number of each element in...Ch. 3 - Determine the oxidation number of each element in...Ch. 3 - Prob. 55PSCh. 3 - Which two of the following reactions are...Ch. 3 - In the following reactions, decide which reactant...Ch. 3 - In the following reactions, decide which reactant...Ch. 3 - Balance the following equations, and then classify...Ch. 3 - Prob. 60PSCh. 3 - Classify each of the following reactions as a...Ch. 3 - Prob. 62PSCh. 3 - Balance each of the following equations, and...Ch. 3 - Complete and balance the equations below, and...Ch. 3 - Prob. 65PSCh. 3 - Prob. 66PSCh. 3 - Balance the following equations: (a) for the...Ch. 3 - Balance the following equations: (a) for the...Ch. 3 - Prob. 69GQCh. 3 - Give the formula for each of the following...Ch. 3 - Prob. 71GQCh. 3 - Name two anions that combine with Al3+ ion to...Ch. 3 - Write the net ionic equation and identify the...Ch. 3 - Identify and name the water-insoluble product in...Ch. 3 - Bromine is obtained from sea water by the...Ch. 3 - Identify each of the blowing substances as a...Ch. 3 - The mineral dolomite contains magnesium...Ch. 3 - Aqueous solutions of ammonium sulfide, (NH4)2S,...Ch. 3 - Prob. 79GQCh. 3 - Prob. 80GQCh. 3 - Balance equations for these reactions that occur...Ch. 3 - Prob. 82GQCh. 3 - You are given mixtures containing the following...Ch. 3 - Identify, from each list below, the compound or...Ch. 3 - Prob. 85GQCh. 3 - Prob. 86GQCh. 3 - Gas evolution was observed when a solution of Na2S...Ch. 3 - Prob. 89ILCh. 3 - Prob. 90ILCh. 3 - Prob. 91ILCh. 3 - A Suggest a laboratory method for preparing barium...Ch. 3 - The Toliens test for the presence of reducing...Ch. 3 - There are many ionic compounds that dissolve in...Ch. 3 - Most naturally occurring acids are weak acids....Ch. 3 - You want to prepare barium chloride, BaC12, using...Ch. 3 - Prob. 97SCQCh. 3 - A Describe how to prepare zinc chloride by (a) an...Ch. 3 - A common method for analyzing for the nickel...Ch. 3 - The presence of arsenic in a sample that may also...
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