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1. How is the equilibrium shifted in the reaction: Heat + 2NH, A. If more H,...
1. How is the equilibrium shifted in the reaction: Heat + 2NH, A. If more H, is added? N, BH, B. IfNH, is removed? c. If heat added? D. Is the reaction endothermic or exothermic? E. If N, is added? F. If heat removed?
3) The reaction below has a Kc value of 3.64 x 10-3. What is the value of Kp for this reaction at 25°C? 2 NaN3(s) - 2 Na(s) + 3 N2(g) A) 131 B) 53.2 C) 8.90 x 10-2 D) 29.9 E) 0.613 5) Determine the value of Ke for the following reaction if the equilibrium concentrations are as follows: [N2 Jeq - 3.6 M, [O2 Jeq - 4.1 M, [N20Jeg - 3.3 * 10-18 M. 2 N2(g) + O2(g)...
Question 30 3 pts How would the reaction respond if some PtO is removed from the reaction mixture at equilibrium? CS2(g) + 2H2O(g) + Pt(s) = C(s) + 2H2S(g) + PtO(s) ΔΗχη = -55 kJ The reaction would make reactants to reach a new equilibrium. The equilibrium position of the reaction would not be affected. The reaction would make products to reach a new equilibrium, D Question 31 3 pts The temperature of the reaction below is increased and once...
9) The reaction between ammonia and oxygen gas is an eqilibrium process, shown as an equation below. The reaction K = 2.2 x 105 at 25°C. 4 NH, 0 + 30,6 2N, 0 + 6H0+ heat Would this reaction be considered product-favored or reactant-favored at equilibrium? a) (1) b) Write out the equilibrium expression for this reaction: (3) c) Suppose some of the nitrogen gas was removed from the reaction after equilibrium is reached. Would this shift the reaction to...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
For each experiment described below 1) provide the relevant equilibrium reaction or reactions, 2) use LeChatelier's Principle to explain why the reaction has shifted left (L) or right (R), and 3) answer any other questions. a) To a solution containing 1M Pb(NO3)2, 1 M HCl is slowly added until a white precipitate forms. The mixture is then heated and the precipitate disappears. Is the dissociation of the precipitate endothermic or exothermic? Does the equilibrium constant (Ksp) change when the solution...
56,57,58,59,60,61,62
56) For the reaction 3H2(g) + N2(g)s-2NH(g), determine the equilibrium constant at 600°C if at this temperature, the equilibrium concentrations are: [N2 453 M; H:-2.49 M and [NHs] 7.62 M 57) When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.50. If the specific heat of water is 1.00 calV(g.°C), calculate the quantity of energy in calories involved...
3. (8 Pts) At 127°C, Kc = 2.6 x 10- for the reaction: 2 NH3(g) + N2(g) + 3 H2(g) Calculate Kp at this temperature. 4. (10 Pts) A 1.00-L flask was filled with 2.00 mol gaseous SO2 and 2.00 mol gascous NO, and heated. After equilibrium was reached, it was found that 1.30 mol gaseous NO was present. Assume that the reaction: SO2(g) + NO2(g) =SO3(g) + NO(g) occurs under these conditions. Calculate the value of the equilibrium constant,...
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need 2,3,4,5,and 6.
2. (6 Pts) Write the equilibrium expression, Kp, for the reactions in problem 1. 3. (8 Pts) At 127°C, Kc = 2.6 x 10-5 for the reaction: 2 NH3(g) + N2(g) + 3 H2(g) Calculate Kp at this temperature. 4. (10 Pts) A 1.00-L flask was filled with 2.00 mol gaseous SO2 and 2.00 mol gaseous NO, and heated. After equilibrium was reached, it was found that 1.30 mol gaseous NO was present. Assume that the...
14) In an exothermic reaction, heat can be considered a A) reactant B) product C) rate D) catalyst E) determinant 15) Any reaction that absorbs 150 kcal of energy can be classified as A) endothermic B) exothermic C) activated D) reduction E) oxidation 16) The is the energy difference between reactants and products in a chemical reaction. A) transition energy B) activation energy C) product energy D) overall energy E) heat of reaction 17) For the reaction of carbon with...