Chemistry for Engineering Students
3rd Edition
ISBN: 9781285199023
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Chapter 10, Problem 10.71PAE
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The equilibrium constant for the reaction, 3 H2(g) + N2(g)= 2NH3(g), at a given temperature is 1.4 x 10–7. Calculate the equilibrium concentration of ammonia, if [H2] = 1.2 x 10–2 mol L–1 and [N2] = 3.2 x 10–3 mol L–1.
What is the enthalpy change when silver chloride form from the ions in an aqueous solution? The net ionic equation is
Ag+ (aq) + Cl– (aq) → AgCl (s) Delta H = ?
a. + 163.78 kJ
b. + 188.6 kJ
c. – 188.6 kJ
d. – 163.78 kJ
e. – 65.5 kJ
f. + 55.66 kJ
g. none of these
h. + 65.5 kJ
i. – 55.66 kJ
Define formation constant (Kf)?
Chapter 10 Solutions
Chemistry for Engineering Students
Ch. 10 - Prob. 1COCh. 10 - . explain the concept of entropy in your own...Ch. 10 - Prob. 3COCh. 10 - . state the second law of thermodynamics in words...Ch. 10 - Prob. 5COCh. 10 - Prob. 6COCh. 10 - Prob. 7COCh. 10 - Prob. 8COCh. 10 - Prob. 9COCh. 10 - Prob. 10CO
Ch. 10 - Prob. 10.1PAECh. 10 - Prob. 10.2PAECh. 10 - Prob. 10.3PAECh. 10 - Prob. 10.4PAECh. 10 - Prob. 10.5PAECh. 10 - Use the web to learn how many pounds of plastics...Ch. 10 - On the basis of your experience, predict which of...Ch. 10 - In the thermodynamic definition of a spontaneous...Ch. 10 - 1f the combustion of butane is spontaneous, how...Ch. 10 - Identify each of the processes listed as...Ch. 10 - Identify each of the processes listed as...Ch. 10 - Athletic trainers use instant ice packs that can...Ch. 10 - Are any of the following exothermic processes not...Ch. 10 - Enthalpy changes often help predict whether or not...Ch. 10 - When a fossil fuel burns, is that fossil fuel the...Ch. 10 - Murphy's law is a whimsical rule that says that...Ch. 10 - Prob. 10.17PAECh. 10 - Prob. 10.18PAECh. 10 - Prob. 10.19PAECh. 10 - Some games include dice with more than six sides....Ch. 10 - How does probability relate to spontaneity?Ch. 10 - Prob. 10.22PAECh. 10 - For each pair of items, tell which has the higher...Ch. 10 - Prob. 10.24PAECh. 10 - Prob. 10.25PAECh. 10 - For each process, tell whether the entropy change...Ch. 10 - Without doing a calculation, predict whether the...Ch. 10 - For the following chemical reactions, predict the...Ch. 10 - Prob. 10.29PAECh. 10 - Prob. 10.30PAECh. 10 - Prob. 10.31PAECh. 10 - Prob. 10.32PAECh. 10 - According to Lambert, leaves lying in the yard and...Ch. 10 - Prob. 10.34PAECh. 10 - What happens to the entropy of the universe during...Ch. 10 - Prob. 10.36PAECh. 10 - One statement of the second law of thermodynamics...Ch. 10 - Prob. 10.38PAECh. 10 - How does the second law of thermodynamics explain...Ch. 10 - Prob. 10.40PAECh. 10 - Prob. 10.41PAECh. 10 - Which reaction occurs with the greater increase in...Ch. 10 - Which reaction occurs with the greater increase in...Ch. 10 - Methanol is burned as fuel in some race cars. This...Ch. 10 - Limestone is predominantly CaCO3, which can...Ch. 10 - Suppose that you find out that a system has an...Ch. 10 - Use tabulated thermodynamic data to calculate the...Ch. 10 - Prob. 10.48PAECh. 10 - Calculate S for the dissolution of magnesium...Ch. 10 - Calculate the standard entropy change for the...Ch. 10 - Through photosynthesis, plants build molecules of...Ch. 10 - Find websites describing two different attempts to...Ch. 10 - Prob. 10.53PAECh. 10 - Prob. 10.54PAECh. 10 - A beaker of water at 400 C(on the left in the...Ch. 10 - Describe why it is easier to use Gto determine the...Ch. 10 - Under what conditions does G allow us to predict...Ch. 10 - There is another free energy state function, the...Ch. 10 - 10.45 Calculate G at 45°C for reactions for which...Ch. 10 - 10.46 Discuss the effect of temperature change on...Ch. 10 - The reaction CO2(g)+H2(g)CO(g)+H2O(g) is not...Ch. 10 - Prob. 10.62PAECh. 10 - Prob. 10.63PAECh. 10 - For the reaction NO(g)+NO2(g)N2O3(g) , use...Ch. 10 - 10.51 The combustion of acetylene was used in...Ch. 10 - Natural gas (methane) is being used in...Ch. 10 - Silicon forms a series of compounds analogous to...Ch. 10 - Explain why Gf of O2 (g) is zero.Ch. 10 - Using tabulated thermodynamic data, calculate G...Ch. 10 - Using tabulated thermodynamic data, calculate G...Ch. 10 - Calculate G for the dissolution of both sodium...Ch. 10 - Phosphorus exists in multiple solid phases,...Ch. 10 - 10.59 The normal melting point of benzene, C6H6,...Ch. 10 - Prob. 10.74PAECh. 10 - Estimate the temperature range over which each of...Ch. 10 - Recall that incomplete combustion of fossil fuels...Ch. 10 - During polymerization, the system usually becomes...Ch. 10 - Prob. 10.78PAECh. 10 - Prob. 10.79PAECh. 10 - The recycling of polymers represents only one...Ch. 10 - Diethyl ether is a liquid at normal temperature...Ch. 10 - Calculate the entropy change, S , for the...Ch. 10 - Gallium metal has a melting point of 29.8°C. Use...Ch. 10 - Methane can be produced from CO and H2.The process...Ch. 10 - 10.85 Iodine is not very soluble in water, but it...Ch. 10 - The enthalpy of vaporization for water is 40.65 kJ...Ch. 10 - Determine whether each of the following statements...Ch. 10 - Nickel metal reacts with carbon monoxide to form...Ch. 10 - Polyethylene has a heat capacity of 2,3027 J g-1...Ch. 10 - A key component in many chemical engineering...Ch. 10 - The reaction shown below is involved in the...Ch. 10 - Using only the data given below, determine G for...Ch. 10 - The graph below shows G as a function of...Ch. 10 - Prob. 10.94PAECh. 10 - Prob. 10.95PAECh. 10 - Prob. 10.96PAECh. 10 - Prob. 10.97PAECh. 10 - Prob. 10.98PAECh. 10 - Thermodynamics provides a way to interpret...Ch. 10 - Prob. 10.100PAECh. 10 - 10.101 Fluorine reacts with liquid water to form...Ch. 10 - 10.102 Ammonia can react with oxygen gas to form...Ch. 10 - Prob. 10.103PAECh. 10 - 10.104 (a) When a chemical bond forms, what...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium carbonate(limestone). Verify this by determining the standardGibbs free energy change for the reaction of lime,CaO(s), with CO2(g) to make CaCO3(s).arrow_forwardThe following reaction occurs in pure water: H2O(l)+H2O(l)H3O+(aq)+OH-(aq) which is often abbreviated as H2O(l)H+(aq)+OH-(aq) For this reaction, G = 79.9 kJ/mol at 25C. Calculate the value of G for this reaction at 25C when [OH] = 0.15 M and [H+] = 0.71 M.arrow_forwardSodium chloride is added to water (at 25C) until it is saturated. Calculate the Cl concentration in such a solution. Species G(kJ/mol) NaCl(s) 384 Na+(aq) 262 Cl(aq) 131arrow_forward
- Use the values for G f in Appendix 1 to calculate Ksp for barium sulfate at 25C. Compare with the value given in Chapter 15.arrow_forwardGiven that the Gf for Pb2+(aq) and Cl-(aq) is -24.3 kJ/mole and -131.2 kJ/mole respectively, determine the solubility product, Ksp, for PbCl2(s).arrow_forwardAccording to the Resource Conservation and Recovery Act (RCRA), waste material is classified as toxic and must be handled as hazardous if the lead concentration exceeds 5 mg/L. By adding chloride ion, the lead ion will precipitate as PbCl2, which can be separated from the liquid portion. Once the lead has been removed, the rest of the waste can be sent to a conventional waste treatment facility. How many grams of sodium chloride must be added to 500 L of a waste solution to reduce the concentration of the Pb2+ ion from 10 to 5 mg/L?arrow_forward
- Describe a nonchemical system that is not in equilibrium, and explain why equilibrium has not been achieved.arrow_forwardWhen aluminum foil is placed in hydrochloric acid, nothing happens for the first 30 seconds or so. This is followed by vigorous bubbling and the eventual disappearance of the foil. Explain these observations.arrow_forwardCalculate K at 25°C for each of the reactions referred to in Question 31.arrow_forward
- Three reactions very important to the semiconductor industry are The reduction of silicon dioxide to crude silicon, SiO2(s) + 2 C(s) → Si(s) + 2 CO(g) ΔrH° = 689.9 kJ/mol The formation of silicon tetrachloride from crude silicon, Si(s) + 2 Cl2(g) → SiCl4(g) ΔrH° = −657.01 kJ/mol The reduction of silicon tetrachloride to pure silicon with magnesium, SiCl4(g) + 2 Mg(s) → 2 MgCl2(s) + Si(s) ΔrH° = −625.6 kJ/mol Calculate the overall enthalpy change when 1.00 mol sand, SiO2, changes into very pure silicon by this series of reactions.arrow_forwardChromium(VI) forms two different oxyanions, the orange dichromate ion, Cr2O72 , and the yellow chromate ion, CrO42 . (See the following photos.) The equilibrium reaction between the two ions is Cr2O72(aq)+H2O(l)2CrO42(aq)+2H+(aq) Explain why orange dichromate solutions turn yellow when sodium hydroxide is added.arrow_forwardConsider the insoluble compound aluminum phosphate, AIPO4. The aluminum ion also forms a complex with hydroxide ions. Write a balanced net ionic equation to show why the solubility of AIPO4 (s) increases in the presence of hydroxide ions and calculate the equilibrium constant for this reaction. For Al(OH)4, Kf = 7.7×10³³ . Be sure to specify states such as (aq) or (s). K = + Submit Answer + Retry Entire Group No more group attempts remainarrow_forward
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