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If bendable concrete were widely available, would it be ideal for all engineering designs that currently use concrete? What types of structures might benefit most from having bendable concrete? What types of designs would seem unlikely to benefit from replacing traditional concrete with an ECZC material?

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Chemistry for Engineering Students

3rd Edition
Lawrence S. Brown + 1 other
Publisher: Cengage Learning
ISBN: 9781285199023

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Chapter
Section
BuyFindarrow_forward

Chemistry for Engineering Students

3rd Edition
Lawrence S. Brown + 1 other
Publisher: Cengage Learning
ISBN: 9781285199023
Chapter 12, Problem 12.90PAE
Textbook Problem
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If bendable concrete were widely available, would it be ideal for all engineering designs that currently use concrete? What types of structures might benefit most from having bendable concrete? What types of designs would seem unlikely to benefit from replacing traditional concrete with an ECZC material?

Interpretation Introduction

Interpretation:

The types of structures that would and would not benefit as a result of replacing traditional concrete with bendable concrete must be identified.

Concept Introduction:

  • Traditional concrete is a composite of cement, sand, water and other additives that are mixed in order to produce concrete with the desired composition and characteristics.
  • Bendable concrete or Engineered Cementitious Concrete (ECC) has the same composition as traditional concrete and is also reinforced with polymer fibers.

Explanation of Solution

Bendable concrete differs from traditional concrete in the addition of polymer fibers which imparts flexibility to concrete. It has a higher strain capacity and can withstand cracks. Even though, it is a good replacement for traditional concrete it cannot be used for all engineering designs...

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Chapter 12 Solutions

Chemistry for Engineering Students
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Ch. 12 - Identify the first chemical step in the production...Ch. 12 - Explain why the hydration process for concrete is...Ch. 12 - 12.3 WTiat fraction of the annual release of...Ch. 12 - 12.4 In what geographical region of the country...Ch. 12 - 12.5 In Chapter 11, we discussed several factors...Ch. 12 - With what chemical in concrete does CO2 actually...Ch. 12 - A student finds a piece of old concrete that has...Ch. 12 - On your desk is a glass half-filled with water and...Ch. 12 - In the figure, orange fish are placed in one...Ch. 12 - At a particular temperature, iodine vapor, I2, is...Ch. 12 - For the system in the preceding problem, show the...Ch. 12 - An equilibrium involving the carbonate and...Ch. 12 - The graph represents the progress of the A( g )B(...Ch. 12 - A small quantity of a soluble salt is placed in...Ch. 12 - In the following equilibrium in lake water, which...Ch. 12 - Write equilibrium (mass action) expressions for...Ch. 12 - Write equilibrium (mass action) expressions for...Ch. 12 - What is the difference between homogeneous...Ch. 12 - Write equilibrium expressions for each of the...Ch. 12 - Write equilibrium expressions for each of the...Ch. 12 - For each of the following, are products favored?...Ch. 12 - Which of the following is more likely to...Ch. 12 - 12.17 Which of the following is more likely to...Ch. 12 - The reaction, 3 H2(g) + N2(g) (g), has the fol...Ch. 12 - 12.19 For each of the following equations, write...Ch. 12 - Consider the following equilibria involving SO2(g)...Ch. 12 - Using the following equations, determine each of...Ch. 12 - (a) In Exercise 12.21, if A, = 2.1 X IO10 and K2=...Ch. 12 - 12.23 An engineer is considering the use of...Ch. 12 - 12.24 Using the equations HAsO4’“(aq) *^AsO4J_(aq)...Ch. 12 - 12.25 In Exercise 12.24, which reaction has the...Ch. 12 - The following data were collected for the...Ch. 12 - The following data were collected for a system at...Ch. 12 - The equilibrium constant for the reaction, 3 H;(g)...Ch. 12 - Nitrosyl chloride, NOCI, decomposes to NO and Cl,...Ch. 12 - Hydrogen gas and iodine gas react via the...Ch. 12 - 12.31 A system consisting of 0.100 mole of oxygen...Ch. 12 - 12.32 The equilibrium constant of the reaction of...Ch. 12 - 12.33 The following reaction establishes...Ch. 12 - 1’he reaction in Exercise 12.33 was repeated. This...Ch. 12 - In the reaction in Exercise 12.33, another trial...Ch. 12 - The experiment in Exercise 12.33 was redesigned so...Ch. 12 - Again the experiment in Exercise 12.33 was...Ch. 12 - At a particular temperature, the equilibrium...Ch. 12 - A student is simulating the carbonic acid—hydrogen...Ch. 12 - Because carbonic acid undergoes a second...Ch. 12 - Because calcium carbonate is a sink for CO32- in a...Ch. 12 - 12.42 The following reaction is in equilibrium in...Ch. 12 - In the following equilibrium in a closed system,...Ch. 12 - In each of the reactions, how does the equilibrium...Ch. 12 - In each of the reactions below, tell how the...Ch. 12 - 12.44 How would a temperature increase affect each...Ch. 12 - The decomposition of NH4HS, NH 4 HS( s )NH3( g )+...Ch. 12 - Consider the following system: 4NH 3 ( g )+ 3O 2 (...Ch. 12 - The following equilibrium is established in a...Ch. 12 - Write the K_, expression for each of the following...Ch. 12 - 12.47 Write an equilibrium equation and a A.,(,...Ch. 12 - calculate the molar solubility of the following...Ch. 12 - 12.49 The Safe Drinking Water Act of 1974...Ch. 12 - In Exercise 12.49, what is the allowed...Ch. 12 - 12.51 Calculate the solubility’ of ZnCO, in (a)...Ch. 12 - Because barium sulfate is opaque to X-rays, it is...Ch. 12 - The ore cinnabar (HgS) is an important source of...Ch. 12 - Calculate the As(l of the following compounds,...Ch. 12 - From the solubility data given for the following...Ch. 12 - The solubility of magnesium fluoride, MgF2, in...Ch. 12 - Solid Na2SO4 is added slowly to a solution that is...Ch. 12 - Will a precipitate of Mg(OH)2 form when 25.0 mL of...Ch. 12 - Use the web to look up boiler scale and explain...Ch. 12 - A student is studying a solution of the sparingly...Ch. 12 - 12.61 Write the formula of the conjugate base of...Ch. 12 - 12.62 Write the formula of the conjugate acid of...Ch. 12 - 12.63 For each of the following reactions,...Ch. 12 - What are the products of each of the following...Ch. 12 - 12.65 Write chemical equations and equilibrium...Ch. 12 - 12.66 Write chemical equations and equilibrium...Ch. 12 - 12.67 Hydrofluoric acid is a weak acid used in the...Ch. 12 - The pH of a 0.129 M solution of a weak acid, HB,...Ch. 12 - Calculate the pH of a 0.10 M solution of propanoic...Ch. 12 - Find the pH of a 0.115 M solution of NH3(aq).Ch. 12 - Acrylic acid is used in the polymer industry in...Ch. 12 - 12.72 The ionization constant of a very weak acid,...Ch. 12 - Morphine, an opiate derived from the opium poppy...Ch. 12 - In a particular experiment, the equilibrium...Ch. 12 - For the reaction, PCl5(g) «=* PCl?(g) + Cl2(g),...Ch. 12 - 12.78 Use values from Appendix E at the back of...Ch. 12 - A group of students working on chemistry homework...Ch. 12 - 12.80 W hat is meant by the term crack...Ch. 12 - 12.81 Ductile materials, like metal wires, are...Ch. 12 - If bendable concrete were widely available, would...Ch. 12 - The monomer of polyvinyl alcohol was described in...Ch. 12 - Consider the equilibrium N2(g)+O2(g)2NO(g) At 2300...Ch. 12 - Solid CaCO3 ; is placed in a closed container and...Ch. 12 - 12.100 A reaction important in smog formation is...Ch. 12 - 12.101 An engineer working on a design to extract...Ch. 12 - 12.102 A chemical engineer is working to optimize...Ch. 12 - 12.103 Methanol, CH3OH, can be produced by the...Ch. 12 - Prob. 12.98PAECh. 12 - 12.105 Using the kinetic-molecular theory, explain...Ch. 12 - 12.106 The solubility of KCl is 34.7 g per 100 g...Ch. 12 - 12.107 To prepare community wastewater to be...Ch. 12 - 12.108 A nuclear engineer is considering the...Ch. 12 - 12.109 Copper(II) iodate has a solubility of 0.136...Ch. 12 - 12.110 In Exercise 12.109, what do you predict...Ch. 12 - 12.111 You have three white solids. 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