*00FL山Rttps://WWW-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9QldFNDUsAt... AO ADVANCED GENERAL CHEMISTRY0/5Calculating an equilibrium constant from an equilibrium.Hydrogen bromide and oxygen react to form bromine and water, like this:4 HBr(g) + O,(g) → 2 Br,(g) + 2 H,0(g)Also, a chemist finds that at a certain temperature the equilibrium mixture of hydrogen bromide, oxygen, bromine, and water has the following composition:compound pressure at equilibriumHBr76.6 atm79.4 atmBr27.76 atm5.82 atmo'HCalculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits.ExplanationCheckO2022 McGraw Hill LLC. AllRights Reserved. Terms of Use Privacy Center Accessibility9:373/18/2DECF5F8r pgDn.OLF12PrtScrInsertDeleteLLPgUp24BackspaceLock{[Enter4ShiftAltAltCtrl

rogen bromide and oxygen react to form bromine and water, like this: 4 HBr(g) + O,(9) → 2 Br,(9) + 2 H,O(g) 50, a chemist finds that at a certain temperature the equilibrium mixture of hydrogen bromide, oxygen, bromine, and water compound pressure at equilibrium HBr 76.6 atm 02 79.4 atm Br2 7.76 atm H,O 5.82 atm Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. - 0 K = Explanation Check 2022 McG

rogen bromide and oxygen react to form bromine and water, like this: 4 HBr(g) + O,(9) → 2 Br,(9) + 2 H,O(g) 50, a chemist finds that at a certain temperature the equilibrium mixture of hydrogen bromide, oxygen, bromine, and water compound pressure at equilibrium HBr 76.6 atm 02 79.4 atm Br2 7.76 atm H,O 5.82 atm Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. - 0 K = Explanation Check 2022 McG

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter5: Introduction To Chemical Equilibrium

Section: Chapter Questions

Problem 5.8E: 5.8. The hemoglobin in blood establishes an equilibrium with oxygen gas very quickly. The...

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For the given chemical equilibrium, these data are determined experimentally: T K 350K 3.76102 450K 1.86101 Determine H for this reaction.
Because carbonic acid undergoes a second ionization, the student in Exercise 12.39 is concerned that the hydrogen ion concentration she calculated is not correct. She looks up the equilibrium constant for the reaction HCO,-(aq) «=* H+(aq) + COf'(aq) Upon finding that the equilibrium constant for this reaction is 4.8 X 10“H, she decides that her answer in Exercise 12.39 is correct. Explain her reasoning. A student is simulating the carbonic acid—hydrogen carbonate equilibrium in a lake: H,CO,(aq) 5=6 H+(aq) + HCO,'(aq) K = 4.4 X 10'7She starts with 0.1000 A1 carbonic acid. W hat are the concentrations of all species at equilibrium?
Methanol can be synthesized by means of the equilibriumreaction CO(g)+2H2(g)CH3OH(g) for which the equilibrium constant at 225°C is 6.08103. Assume that the ratio of the pressures of CO(g) and H2(g) is 1:2. What values should they have if the partial pressureof methanol is to be 0.500 atm?
5.8. The hemoglobin in blood establishes an equilibrium with oxygen gas very quickly. The equilibrium can be represented as where “heme” stands for hemoglobin and “” stands for the hemoglobin-oxygen complex. The value for the equilibrium constant for this reaction is about . Carbon monoxide also binds with hemoglobin by the following reaction: This reaction has an equilibrium constant of . Which reaction’s equilibrium lies farther toward products? Does your answer justify the toxicity of ?
5.22. True or false: If for a gas-phase reaction, then all equilibrium partial pressures of reactants and products must equal . Explain your choice.
Write the equilibrium constant expression for each reaction in terms of activities, simplifying where appropriate. a C(s)+O2(g)CO2(g) b P4(s)+5O2(g)P4O10(s) c 2HNO2(g)+3Cl2(g)2NCl3(g)+H2(g)+2O2(g)
For the following system, K=4.86105 at 298K: HClO(aq)+F(aq)ClO(aq)+HF(aq) Assuming that you start with equal concentrations of HClO and F, and that no ClO or HF is initially present, which of the following best describes the equilibrium system: a the forward reaction is favored at equilibrium; b the reverse reaction is favored at equilibrium; c appreciable quantities of all species are present at equilibrium?
Many sugars undergo a process called mutarotation, in which the sugar molecules interconvert between two isomeric forms, finally reaching an equilibrium between them. This is true for the simple sugar glucose, C6H12O6, which exists in solution in isomeric forms called alpha-glucose and beta-glucose. If a solution of glucose at a certain temperature is analyzed, and it is found that the concentration of alpha-glucose is twice the concentration of beta-glucose, what is the value of K for the interconversion reaction?
Hard water has a high concentration of calcium and magnesium ions. Focusing on the calcium ion, a common home water -softening process is based on a reversible chemical change that can be expressed by Na2Ze(s)+Ca2+(aq)CaZe(s)+2Na+(aq). Na2Ze represents a solid resin that is like an ionic compound between sodium ions and zeolite ions, a complex arrangement of silicate and aluminate groups; CaZe is the corresponding calcium compound. When, during the day, is this system most likely to reach equilibrium? Why doesnt it reach equilibrium and stay there? Periodically it is necessary to recharge the water softner by running salt water, NaCl(aq), through it. Why is this necessary? What concept is discussed in this chapter does the recharging process illustrate? Zeolite ions are used in home water softners because they have a porous but rigid structure that is weakly attracted to cations, readily allowing an exchange among different ions.
Which of the systems described in Exercise 13.16 give homogeneous equilibria? Which give heterogeneous equilibria?