Question

help on all please

How many grams of Ag Cr04 will dissolve in pure water if the solubility product constant for silver chromate is 1.1 x 10-12, Use the following atomic masses, as needed, in your calculation: Ag 107.87; Cr-52.00; O 16.00. 1. Determine the ΔΗΡ for the following reaction, given the data provided: 4HCN+ 5022H20 4C02 2N2 2, 3. Determine ASo (in J/mol K) for the reaction in problem 2. 4, Determine ΔGo in kJ/mol for the reaction in problem 2.. HCN CO2 H20 394.4 ΔΗ9(kJ/mol) ASo (J/mol K) 121.0 -237.2 213.7 112.8 188.7 5. Is HCN combustible (Y/N)? Consider the reaction MnO4(aq) +十(aq)=> Mn2-(aq)+12(a), which occurs in acidic solution. When properly balanced, what are the coefficients in front of: (a) Mno4_ (b) I (c) Mn2 (d) 12 How many water molecules, if any, will appear in the properly balanced equation? 6. 7. How many H', if any, will appear in the properly balanced equation? 8. What is the value of n for the reaction? 9. If the standard-state reduction potentials for the cathode and anode reactions are respectively, +1.51V and 0.54V, what is E°ceil for this reaction? 10. What is AGo for the reaction? WRITE YOUR BONUS ANSWER HERE. NO CREDIT OTHERWISE BONUS PROBLEM (3 points). In the Haber process for the manufacture of ammonia, N2+ 3H2 2NHb, above what temperature will the reaction be spontaneous? Note that for this process, AH-93.0 KJ / mol ΔΗ .-93.0 kJ / mol and AS- -198.0 j/ mol K.

Answer 1

A92 CrCg 22 x1087 52+69 2 331 71 23) as' x (188.22132)- 4 (112.5 2-768 338 K3 2.f 6 20