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3 points Write the expression for the equilibrium constant for the reaction represented by the equation 3Ba2+ (aq) + 2PO4³ (aq)=Ba3(PO4)2(s). Is Kc> 1, <1, or=1? Explain your answer. Solubility Rules: Soluble compounds contain • group 1 metal cations (Lit, Na+, K+, Rb, and Cs*) and ammonium ion NH4* the halide ions (CI", Br", and I") the acetate (C₂H302), bicarbonate (HCO3), nitrate (NO3), and chlorate (CIO3) ions the sulfate (SO4) ion Exceptions to these solubility rules include • halides of Ag*, Hg₂2+, and Pb²+ • sulfates of Ag*, Ba²+, Ca2+, Hg₂2+, Pb2+, and Sr²+ Insoluble compounds contain • carbonate (CO32), chromate (CrO32), phosphate (PO43-) and sulfide (S²-) ions • hydroxide ion (OH") Exceptions to these insolubility rules include • compounds of these anions with group 1 metal cations and ammonium ion . hydroxides of group 1 metal cations and Ba²+
13 1 2 3 4 5 6 7 8 7 4 points Convert the values of Kp to K 250₂(g) + O₂(g) 250g) Kp 45.1 at 52.1°C record to the nearest whole number Type your answer... 5 points The value of the equilibrium constant for the reaction, N₂(g)+O₂(g) 2NO(g), is 4.1 x 10. Find the concentration of NO(g) in an equilibrium mixture with air at 1 atm pressure at this temperature. Ininitially. (N₂)-0.036 mol/L and (0₂) 0.0089 mol/l. You may use the Module 3 File Upload to show your work or type as much as you can here. If you use the Module 3 File Upload, be sure to upload your file within 15 minutes of completing your quiz points B/UANLEXEE 12pt Paragraph 1- 6
3 4 5 6 7 B 10 9 01:12:51 Time Remaining 5 points The equilibrium constant for the decomposition of PCIs(g) into PC13(g) and Cl₂(g) is 0.0211. What is the equilibrium concentration of PCl, if the initial concentration of PCs was 4.93 M? Record to the thousandth's place. You may use the Module 3 File Upload to show your work for partial credit. If you use the Module 3 File Upload, be sure to upload your file within 15 minutes of completing your quiz Type your answer. 105 points Calculate the pressures of all species at equilibrium in a mixture of NOCI, NO, and Cl₂ produced when a sample of NOCI with an initial pressure of 0.500 atm comes to equilibrium according to this reaction: 11 Submit 2NOCZNO) + Cl₂) K-4.0x10 You may use the Module 3 File Upload to show your work or type as much as you can here. If you use the Module 3 File Upload, be sure to upload your file within 15 minutes of completing your quiz. BIVAN LEEXEE 12pt Paragraph
2 Describe the difference between the reaction quotient and the equilibrium constant. Provide an example of a reaction quotient expression (equation). B IU LE xx, EE 12pt BIUA LE Paragraph 3 points Describe the term "equilibrium" Include an example of a chemical equilibrium found in the lab, everyday life, or in nature. 12pt E f Paragraph -&