5. For the reaction 2NaHCO3(s) = N22CO3(s) + CO2(g) + H20(g) AH° = 29,320+9.15T – 12.75×10 ³T², and AGs-c = 7080cal/mol. What will be the partial pressure of H20(g) at 400 K above a mixture of the two solids to which is added CO2 at an initial pressure of 100 mm Hg?
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pls answer in 4 decimal places
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- Consider the following reaction: NH4Cl--->NH3(g)+HCl(g). The vapor pressure after dissasociation of a certain amount of NH4Cl is 608 kPa at 427 Celsius, but rises to 1115 kPa at 459 Celsius. Calclate Keq, deltarGstandard, and deltarHstandard, all at 427 Celsius. Assume that the vapor is an idela gas and that the enthalpy is indepednet of temperature in the range given.Suppose that in an industrial process, N2 at 1.00 bar is mixed with H2 at 3.00 bar, for a total pressure of 4.00 bar, and the two gases are allowed to come to equilibrium with the product ammonia in a reactor of constant volume (in the presence of a catalyst, so the reaction proceeds quickly). At the temperature of the reaction , it has been determined experimentally that K = 977 for reaction R2. What are the equilibrium partial pressures of the three gases?A mixture consiting of 1.000 mol H2O(g) and 1.000 mol CO(g) is placed ina reaction vessel of volume 10.00 L at 800. K. At equilibrium, 0.665 mol CO2(g) is present as a result of the reaction CO (g) + H2O (g)⇋ CO2(g)+H2(g). What are the value of KC at 800. K?
- Calcium hydroxide is a base that does not dissolve very well in water. When saturated, a calcium hydroxide solution at 25°C contains 1,3 gram Ca(OH)2 per dm3 solution. The molar mass of Ca(OH)2 is 74,1 g×mol–1. When the Ca(OH)2 dissolves, the following reaction represents the solubility equilibrium: Ca(OH)2 (s) D Ca2+ (aq) + 2 OH– (aq) Use this information above to find the value of Ksp for Ca(OH)2 at 25°C.Calcium hydroxide is a base that does not dissolve very well in water. When saturated, a calcium hydroxide solution at 25°C contains 1,3 gram Ca(OH)2 per dm3 solution. The molar mass of Ca(OH)2 is 74,1 g×mol–1. When the Ca(OH)2 dissolves, the following reaction represents the solubility equilibrium: Ca(OH)2 (s) D Ca2+ (aq) + 2 OH– (aq) Use this information above to find the value of Ksp for Ca(OH)2 at 25°C. What is the pH of this saturated Ca(OH)2 solution?For the reaction: A-> products: What are the units for k if m=2? *The answer must be in the form of a fraction.
- 1. Given the reaction: 2H2S(g) ⇌ 2 H2(g) + S2(g) If Kp= 0.012, what should be the initial pressure of pure H2S to produce an equilibriated mixture containing 0.250 atm of H2(g)? Please show the solution, thank you!The following synthesis reaction was conducted at 325K: A2(g) + 3B2(g) ⇌ 2AB3(g). At this temperature, KP = 5.49 x 10-6. In a 3.00L flask, 0.175atm of A2(g) and 0.410atm of B2(g) are added and allowed to reach equilibrium. Calculate the pressure of AB3(g) in the system (in atm).The following reaction was carried out in a 2.25 LL reaction vessel at 1100 KK: C(s)+H2O(g)⇌CO(g)+H2(g)C(s)+H2O(g)⇌CO(g)+H2(g) If during the course of the reaction, the vessel is found to contain 5.00 molmol of CC, 15.3 molmol of H2OH2O, 3.40 molmol of COCO, and 7.30 molmol of H2H2, what is the reaction quotient QQQ? Enter the reaction quotient numerically.
- Three bottles A, B, and C have been found, each of which contains a liquid and is labeled \"amine C8H11N.\" As an expert in amine chemistry, you have been hired as a consultant and asked to identify each liquid. Liquids A and B give off a gas when they react with NaNO2 and HCl at 0 °C; C does not. However, when the aqueous reaction mixture from the diazotization of C is warmed, a gas is evolved. Liquid A is optically inactive, but when it reacts with ( )-tartaric acid, two isomeric salts with different physical properties are obtained. Titration of C with aqueous HCl reveals that its conjugate acid has a pKa = 5.1. Oxidation of C with H2O2 (a reagent known to oxidize amino groups to nitro groups), followed by vigorous oxidation with KMnO4 gives p-nitrobenzoic acid. Oxidation of B in a similar manner yields 1,4-benzenedicarboxylic acid (terephthalic acid), and oxidation of A yields benzoic acid. Identify compounds A, B, and C.What is the state of the system that has the following pressures: Pbubble = 80 kPa Psystem = 50 kPa Pdew = 40 kPa i.e. Pbubble > Psystem > PdewGiven the reaction: 2 H2S(g) ⇌ 2 H2(g) + S2(g) If Kp = 0.012, what should be the initial pressure of pure H2S to produce an equilibrated mixture containing 0.250 atm of H2 (g)?