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Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Textbook Question
Chapter 8, Problem 8.5E
What is the force of attraction between a negatively charged electron and a positively charged proton at a distance of
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Chapter 8 Solutions
Physical Chemistry
Ch. 8 - 8.1. What is the charge on a small sphere that is...Ch. 8 - 8.2. The force of attraction due to gravity...Ch. 8 - 8.3. Two small metallic bodies are given opposite...Ch. 8 - Prob. 8.4ECh. 8 - What is the force of attraction between a...Ch. 8 - Prob. 8.6ECh. 8 - 8.7. How much work is required to move a single...Ch. 8 - 8.8. Explain why an electromotive force is not, in...Ch. 8 - Prob. 8.9ECh. 8 - For each of the following reactions, determine the...
Ch. 8 - Prob. 8.11ECh. 8 - Prob. 8.12ECh. 8 - 8.13. Is the disproportionation reaction...Ch. 8 - Prob. 8.14ECh. 8 - Prob. 8.15ECh. 8 - Prob. 8.16ECh. 8 - Prob. 8.17ECh. 8 - 8.18. Determine and for each of the following...Ch. 8 - Prob. 8.19ECh. 8 - Prob. 8.20ECh. 8 - Prob. 8.21ECh. 8 - Prob. 8.22ECh. 8 - Prob. 8.23ECh. 8 - Prob. 8.24ECh. 8 - Prob. 8.25ECh. 8 - Prob. 8.26ECh. 8 - Prob. 8.27ECh. 8 - What is the Zn2+:Cu2+ ratio on a Daniell cell that...Ch. 8 - Prob. 8.29ECh. 8 - Determine the voltage of this reaction with the...Ch. 8 - The thermite reaction can act as the basis of an...Ch. 8 - A concentration cell has different concentrations...Ch. 8 - Prob. 8.34ECh. 8 - Prob. 8.35ECh. 8 - a What is the equilibrium constant for the...Ch. 8 - Prob. 8.37ECh. 8 - Prob. 8.38ECh. 8 - Prob. 8.39ECh. 8 - Prob. 8.40ECh. 8 - Prob. 8.41ECh. 8 - Consider the following formation reaction for HI:...Ch. 8 - Prob. 8.43ECh. 8 - 8.44. Determine an expression for , the change in...Ch. 8 - Prob. 8.45ECh. 8 - Prob. 8.46ECh. 8 - Determine the equilibrium constant for the...Ch. 8 - Prob. 8.48ECh. 8 - Prob. 8.49ECh. 8 - What is the solubility product constant of Hg2Cl2,...Ch. 8 - Prob. 8.51ECh. 8 - Prob. 8.52ECh. 8 - Prob. 8.53ECh. 8 - Prob. 8.54ECh. 8 - Prob. 8.55ECh. 8 - Prob. 8.56ECh. 8 - Prob. 8.57ECh. 8 - Show that a can be written as n+mnn+n+nn, where m...Ch. 8 - Prob. 8.59ECh. 8 - Prob. 8.60ECh. 8 - What molality of NaCl is necessary to have the...Ch. 8 - Prob. 8.62ECh. 8 - Prob. 8.63ECh. 8 - Calculate the molar enthalpy of formation of I(aq)...Ch. 8 - Prob. 8.65ECh. 8 - Hydrofluoric acid, HF(aq), is a weak acid that is...Ch. 8 - Prob. 8.68ECh. 8 - Prob. 8.69ECh. 8 - Prob. 8.70ECh. 8 - Prob. 8.71ECh. 8 - Prob. 8.72ECh. 8 - The mean activity coefficient for an aqueous...Ch. 8 - Human blood plasma is approximately 0.9NaCl. What...Ch. 8 - Under what conditions does the extended...Ch. 8 - Prob. 8.76ECh. 8 - Approximate the expected voltage for the following...Ch. 8 - Prob. 8.78ECh. 8 - Prob. 8.79ECh. 8 - Prob. 8.80ECh. 8 - a The salt NaNO3 can be thought of as...Ch. 8 - Prob. 8.82ECh. 8 - What is the estimated velocity for Cu2+ ions...Ch. 8 - Prob. 8.84ECh. 8 - Prob. 8.85ECh. 8 - Prob. 8.86ECh. 8 - Calculate a the solubility product constant for...
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- Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + ¿0,(g) –→ H,O(g) AH = -241.8 kJ 2) X(s) + 2 Cl,(g) > XCl,(s) ΔΗ +153.9 kJ 3) H,(g) + ¿Cl, (g) → HCI(g) AH3 = -92.3 kJ 4) X(s) + O2(g) - XO,(s) AH4 = -520.3 kJ 5) Н, О(@) — Н,о) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI, (s) + 2 H,O(1) - · XO,(s) + 4 HCI(g) -995 ΔΗ- kJ Incorrectarrow_forwardRewrite the Equations and show work C4H10O+ O2−→ CO2+ H2Oarrow_forward(b) What is the first law of thermodynamic? Define the Hess law. Given the following data; 2CIF(g) + 0,(g) CI,0(g) + F,O(g) AH = 167.4 kJ AH = 341.4 kJ SH = -43,4 kJ 2CIF,(g) + 20,(g) → CĻ0(g) + 3F,O(g) 2F,(2) + O(8) → 2F,O(g) calculate AH for the reaction CIF(g) + F(8) CIF,(g)arrow_forward
- Hhggarrow_forwardWhat is the average bond energy in CO2? CO2(g) ΔH°f, = –393.5 kJ mol–1 CO(g) ΔH°f, = –110.5 kJ mol–1 C(g) ΔH°f, = +715 kJ mol–1 CO32–(aq) ΔH°f, = –676.3 kJ mol–1 O(g) ΔH°f, = +249.0 kJ mol–1 Question 5 options: 207 kJ mol–1 1607 kJ mol–1 804 kJ mol–1arrow_forwardGiven these reactions, where X represents a generic metal or metalloid 1) H, (g) + 0,(g) H,O(g) ΔΗ = -241.8 kJ 2) X(s) + 2 Cl, (g) → XCl,(s) ΔΗ = +288.1 kJ 3) H,(g) + ¿Cl,(g) → HCI(g) ΔΗ -92.3 kJ 4) X(s) + O,(g) → XO,(s) AH4 = -529.5 kJ 5) Н, О(g) — н,О() H,O(1) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI, (8) + 2 H,О0() — ХО,(s)+4 HC(g) 141.62 ΔΗ kJ %3D Incorrectarrow_forward
- (a) Draw a Lewis diagram for carbonic acid, H,CO3, with a central carbon atóm bonded to the three oxygen atoms. (b) Carbonic acid is unstable in aqueous solution and converts to dissolved carbon dioxide. Use bond enthal- pies to estimate the enthalpy change for the following reaction: H,CO;→ H,O + CO,arrow_forwardDecide how the sketches below would be listed, if they were listed in order of decreasing force between the charges. That is, select "1" beside the sketch with the strongest force between the charges, select "2" beside the sketch with the next strongest force between the charges, and so on. Note for advanced students: since the units of each charge are not written, you may assume any convenient and reasonable unit, for example coulombs or multiples of e. ~ O 1 (strongest) 02 03 04 (weakest) 01 (strongest) 02 03 04 (weakest) G +1 01 (strongest) 02 03 O4 (weakest) 01 (strongest) 02 03 04 (weakest) dbarrow_forwardA chemist measures the enthalpy change AH during the following reaction: 8 SO,(9) + 16 H,S(g)→3 Sg(s) + 16 H,O(1) AH=-1863. kJ Use this information to complete the table below. Round each of your answers to the nea reaction ΔΗ 3 S, () + 4H,0(1) – 2s0, (2) + 4H,8 (g) 250, (g) + 4H,S (g) kJarrow_forward
- Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of this reaction under standard conditions: 2C,H(9)+70,(9)→4CO,(g)+6 H,0(1)arrow_forwardAlkali metals are often used to remove traces of water from organic solvents, such as diethyl ether. Because the reaction (see below) releases heat, care must be taken to make sure that the solvent does not "boil over". 2 Na(s) + 2 H₂O(1) ➜ 2 NaOH(aq) + H₂(g) a) Determine the standard enthalpy change for this reaction. Comment on the relative strength of bonding and/or interactions in the products vs reactants, and briefly explain how you decided this. Substance Na(s) H₂O(1) NaOH(aq) H₂(g) AHºf (kJ/mol) 0 -285.83 -469.15 0 b) How much heat (in kJ) is released via the reaction of 1.00 g of sodium metal with water? If this much heat is released into 275 g of diethyl ether initially at 25°C, will the solvent reach its boiling point? If so, how many grams of the ether will evaporate? Show calculations to support your answer. For diethyl ether: Cs = 2.51 J/g⋅K, b.p. = 35°C, heat of vaporization = 377 J/g.arrow_forwardGiven that the reaction N2(g) + 2 O2(g) → 2 NO2(g) is endothermic, what is true of the reaction 2 NO2(g) → 2 N2(g) + 2 O2(g) ?arrow_forward
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