Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 4.4, Problem 4.5P
Problem 4-5 In each equation, identify the substance that is oxidized, the substance that is reduced, the oxidizing agent, and the reducing agent:
(a)
(b)
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issue 1In the reaction below, identify the reducing agents and the agentsoxidants, as well as reduced and oxidized substances.
2 NO2(g) + 7 H2(g) ⇌ 2 NH3(g) + 4 H2O(l)In the reaction below, identify the reducing agents and theoxidants, as well as reduced and oxidized substances.
Task a)Balance the reaction. Find oxidant and reducer.Task b)Calculate EMF of the same reaction. Would this reaction go on spontaneously?
Cr2(SO4)3 +Cl2+ KOH K2CrO4 + KCl + K2SO4 + H2O
4-In the following reaction: 2Al (s) + 3F2 (g) → 2Al3 + (aq) + 6F- (aq) Which substance is oxidized? In the reaction stated above, which is the reagent that oxidises?Necessary answer. Unique option.
A) The iron . Iron
B) The aluminum. Aluminum
C) The Al +3 ion. The Al +3 ion.
D) The F- ion. The F- ion
E)None of the above None of the above ..
Chapter 4 Solutions
Introduction to General, Organic and Biochemistry
Ch. 4.2 - Problem 4-1 Following is an unbalanced equation...Ch. 4.2 - Problem 4-2 Balance this equation:Ch. 4.2 - Prob. 4.3PCh. 4.3 - Problem 4-4 When a solution of copper(II)...Ch. 4.4 - Problem 4-5 In each equation, identify the...Ch. 4.5 - Problem 4-6 What is (a) the molecular weight of...Ch. 4.6 - Prob. 4.7PCh. 4.6 - Problem 4-8 We wish to weigh 2.84 mol of sodium...Ch. 4.6 - Problem 4-9 How many moles of C atoms, H atoms,...Ch. 4.6 - Problem 4-10 How many moles of copper(I) ions,...
Ch. 4.6 - Prob. 4.11PCh. 4.7 - Prob. 4.12PCh. 4.7 - Prob. 4.13PCh. 4.7 - Problem 4-14 Ethanol is produced industrially by...Ch. 4.7 - Prob. 4.15PCh. 4.7 - Prob. 4.16PCh. 4 - 4-17 Balance each equation.Ch. 4 - 4-18 Balance each equation.Ch. 4 - Prob. 4.19PCh. 4 - 4-20 Calcium oxide is prepared by heating...Ch. 4 - 4-21 The brilliant white light in some firework...Ch. 4 - Prob. 4.22PCh. 4 - 4-23 When solid carbon burns in a limited supply...Ch. 4 - Prob. 4.24PCh. 4 - 4-25 In the chemical test for arsenic, the gas...Ch. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - 4-28 Answer true or false. (a) A net ionic...Ch. 4 - 4-29 Balance these net ionic equations. (a)...Ch. 4 - 4-30 In the equation (a) Identify the spectator...Ch. 4 - 4-31 Predict whether a precipitate will form when...Ch. 4 - 4-32 When a solution of ammonium chloride is added...Ch. 4 - 4-33 When a solution of hydrochloric acid, HCl, is...Ch. 4 - Prob. 4.34PCh. 4 - Prob. 4.35PCh. 4 - 4-36 Using the solubility generalizations given in...Ch. 4 - 4-37 Answer true or false. (a) When a substance is...Ch. 4 - Prob. 4.38PCh. 4 - Prob. 4.39PCh. 4 - Prob. 4.40PCh. 4 - Prob. 4.41PCh. 4 - 4-42 Calculate the formula weight of: (a) KCl (b)...Ch. 4 - 4-43 Calculate the molecular weight of: (a)...Ch. 4 - 4-44 Answer true or false. (a) The mole is a...Ch. 4 - 4-45 Calculate the number of moles in: (a) 32 g of...Ch. 4 - 4-46 Calculate the number of grams in: (a) 1.77...Ch. 4 - 4-47 Calculate the number of moles of: (a) O atoms...Ch. 4 - 4-48 Calculate the number of moles of: (a) S2-...Ch. 4 - 4-49 Calculate the number of: (a) nitrogen atoms...Ch. 4 - 4-50 How many molecules are in each of the...Ch. 4 - 4-51 What is the mass in grams of each number of...Ch. 4 - 4-52 The molecular weight of hemoglobin is about...Ch. 4 - 4-53 A typical deposit of cholesterol, C27H46O, in...Ch. 4 - 4-54 Answer true or false. (a) Stoichiometry is...Ch. 4 - 4-55 For the reaction: (a) How many moles of N2...Ch. 4 - 4-56 Magnesium reacts with sulfuric acid according...Ch. 4 - 4-57 Chloroform, CHCl3, is prepared industrially...Ch. 4 - 4-58 At one time, acetaldehyde was prepared...Ch. 4 - 4-59 Chlorine dioxide, ClO2, is used for bleaching...Ch. 4 - 4-60 Ethanol, C2H6O, is added to gasoline to...Ch. 4 - 4-61 In photosynthesis, green plants convert CO2...Ch. 4 - 4-62 Iron ore is converted to iron by heating it...Ch. 4 - Prob. 4.63PCh. 4 - 4-64 Aspirin is made by the reaction of salicylic...Ch. 4 - 4-65 Suppose the preparation of aspirin from...Ch. 4 - 4-66 Benzene reacts with bromine to produce...Ch. 4 - 4-67 Ethyl chloride is prepared by the reaction of...Ch. 4 - 4-68 Diethyl ether is made from ethanol according...Ch. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - 4-71 Which of these reactions are exothermic, and...Ch. 4 - Prob. 4.72PCh. 4 - Prob. 4.73PCh. 4 - Prob. 4.74PCh. 4 - Prob. 4.75PCh. 4 - Prob. 4.76PCh. 4 - 4-77 To convert 1 mol of iron(III) oxide to its...Ch. 4 - 4-78 (Chemical Connections 4A) How does fluoride...Ch. 4 - Prob. 4.79PCh. 4 - Prob. 4.80PCh. 4 - 4-81 (Chemical Connections 4C) Balance the lithium...Ch. 4 - 4-82 When gaseous dinitrogen pentoxide, N2O5, is...Ch. 4 - Prob. 4.83PCh. 4 - Prob. 4.84PCh. 4 - Prob. 4.85PCh. 4 - 4-86 When an aqueous solution of Na3PO4 is added...Ch. 4 - Prob. 4.87PCh. 4 - 4-88 Chlorophyll, the compound responsible for the...Ch. 4 - 4-89 If 7.0 kg of is added to 11.0 kg of to form...Ch. 4 - 4-90 Lead(lI) nitrate and aluminum chloride react...Ch. 4 - 4-91 Assume that the average red blood cell has a...Ch. 4 - 4-92 Reaction of pentane, C5H12, with oxygen, O2,...Ch. 4 - 4-93 Ammonia is prepared industrially by the...Ch. 4 - 4-94 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is...Ch. 4 - Prob. 4.95PCh. 4 - Prob. 4.96PCh. 4 - Prob. 4.97PCh. 4 - Prob. 4.98PCh. 4 - Prob. 4.99PCh. 4 - Prob. 4.100PCh. 4 - Prob. 4.101PCh. 4 - 4-102 Aspartame, an artificial sweetener used as a...Ch. 4 - 4-103 Caffeine, a central nervous system...
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- Problem 4-1 Following is an unbalanced equation for photosynthesis, the process by which green plants convert carbon dioxide and water to glucose and oxygen. Balance this equation:arrow_forwardFor the redox reaction given below complete the following: Cr2O7-2+ H+ +FeCl2→ Cr+3 + FeCl3 + H2O (a) What is the oxidation no. of Cr in Cr2O7-2? Answer 1 (b) What is the oxidation no. of Fe in FeCl2 ? Answer 2 (c) Find the element oxidized Answer 3 (d) Find the element Reduced Answer 4 (e) Find the Oxidizing Agent Answer 5 (f) Find the Reducing Agentarrow_forwardProblem 4-2 Balance this equation:arrow_forward
- For the redox reaction given below complete the following: Cr2O3 + Mg -------------------> MgO + Cr (a) What is the oxidation no. of Cr in Cr2O3? Answer 1Choose...(b) What is the oxidation no. of Mg Answer 2Choose...(c) Find the element oxidized Answer 3Choose...(d) Find the element Reduced Answer 4Choose...(e) Find the Oxidizing Agent Answer 5Choose...(f) Find the Reducing Agent Answer 6Choose...(g) How many electrons transferred in this reaction?arrow_forwardonsidering the given redox reaction, Co2 + + 2 Ag (s) → 2 Ag + + Co (k) Which of the following is true for the reaction? Co2 + + 2e- → Co (k) E0 = - 0.277 V Ag + + e- → Ag (k) E0 = + 0.799 V A. Voluntary and E0 positive b.Voluntary and E0 negative c.It is involuntary and E0 positive D. is involuntary and E0 negativearrow_forwardPractice Exercise 1If you complete and balance the following oxidation–reduction reaction in basic solutionNO2-(aq)+ Al(s)---->NH3(aq) + Al(OH)4-(aq) how many hydroxide ions are there in the balanced equation(for the reaction balanced with the smallest whole-numbercoefficients)?(a) One on the reactant side (b) One on the product side(c) Four on the reactant side (d) Seven on the product side(e) Nonearrow_forward
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- For the redox reaction given below complete the following: 4Al (s) + 3O2(g) → 2Al2O3 (s) (a) What is the oxidation no. of O in O2? Answer 1 (b) What is the oxidation no. of Al in Al2O3 Answer 2 (c) Find the element oxidized Answer 3 (d) Find the element Reduced Answer 4 (e) Find the Oxidizing Agent Answer 5 (f) Find the Reducing Agent Answer 6arrow_forwardissue 1Question 1 options:In the reaction below, identify the reducing agents and the agentsoxidants, as well as reduced and oxidized substances. 2 Au3+(aq) + 6 I−(aq) ⇌ 2 Au(s) + 3 I2(s) Oxidizing Agent:Reducing agent:Reduced substance:Oxidized substance: issue 2In the reaction below, identify the reducing agents and the agentsoxidants, as well as reduced and oxidized substances. 2 NO2(g) + 7 H2(g) ⇌ 2 NH3(g) + 4 H2O(l) Oxidizing Agent:Reducing agent:Reduced substance:Oxidized substance:arrow_forwardIn the redox reaction 4Fe + 3 O2 + 12HCl -----> 4FeCl3 + 6H2Oa) HCl is the reducing agent.b) O2 is the substance oxidized.c) Fe undergoes an oxidation number decrease of three units per atom.d) No correct response.What volume of 1.5N NaOH is needed to react with 25ml 4.0N HCl?a) 66.67mlb) 6.67mlc) 50mld) 70mlarrow_forward
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