Use K and initial concentrations to calculate equilibrium concentrations.Consider the equilibrium system involving the decomposition of nitrogen monoxide.[N2] [02]2NO(g)?N2(g) + O2(g)K ==2.78×10-2 at 287 K[NO]²A flask originally contains 0.378 M nitrogen monoxide. Calculate the equilibrium concentrations of the three gases.[NO] ==[N2][02]=Σ Σ ΣMCheck & Submit AnswerShow Approach

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Answered: Use K and initial concentrations to…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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2NO(g) + 2H₂(g) = 2H₂O(g) + N₂(g) A system at equilibrium at 500 K contains the following concentrations of gases. [NO] = 0.250 M [H₂] = 3.28 M [H₂O] = 0.410 M [₂] = 0.439 M What is the equilibrium constant for the reaction at this temperature? K = [?] K Enter
Consider the equilibrium system described by the chemical reaction below, which has a value of Kc equal to 1.2 x 104 at a certain temperature. If a solid sample of NH.SH decomposes, what will the equilibrium concentration of NH3 be? NH:SH(s) = NH3(g) + H2S(g) 1 2 3 NEXT > Based on the given values, set up ICE table in order to determine the unknown. NH.SH(s) NH:(g) H2S(g) Initial (M) Change (M) Equilibrium (M) RESET 1.2 x 104 +x +2x -2x 1.2 x 104 + x 1.2 x 104 - x 1.2 x 104 + 2x 1.2 x 104- 2x
Dinitrogen tetraoxide is a colorless gas at room temperature. It can dissociate into nitrogen dioxide, which is a reddish brown gas. N2O4(g) 2 NO2(g) Three experiments were run starting with different initial amounts of N2O4(g) ([N2O4]0 in the table). The systems were allowed to reach equilibrium and the concentrations for each gas were measured (in units of moles/Liter).For each of the boxes below, calculate the ratios indicated by the column heading. This will show the mathematical relationship that exists between the concentrations of NO2 and N2O4 at equilibrium.Be sure to round to the correct number of significant figures. Exp [N2O4]0 [NO2] [N2O4] [NO2] / [N2O4] 2 [NO2] / [N2O4] [NO2]2 / [N2O4] 1 3.7 2.92 2.2 2 2.8 2.49 1.6 3 2.6 2.33 1.4 Based on your calculations, indicate whether each statement is True (T) or False (F): 1. Each experiment started with a different initial concentration of N2O4. 2. The…
Consider the following reaction: 2 H20(g) + 2 SO2lg)=2 H2S(g) + 3 O2(g) A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if K. for the reaction at this temperature is 1.3 x 106. 0.058 M O 0.028 M O 0.045 M O 0.12 M O 3.1 x 10 M
Say that you mix Fe3+ and SCN- together so that after mixing, the concentration of Fe3+ (aq) equals 0.0015 M , and the concentration of SCN- (aq) equals 5.5 x 10-4 M. You measure the concentration of product, FeSCN2+, after equilibrium forms. It is 7.2 x 10-5 M. Calculate the value of the equilibrium constant, K, for the reaction. F e 3 + ( a q ) + S C N − ( a q ) ⟷ F e S C N 2 + ( a q ) K = ? Group of answer choices 0.011 9.52 x 10-3 87.3 105
Consider the following equilibrium: 2NOCl (g) <--> 2NO (g) + Cl2 (g) With K = 1.6 x 10-5. 1.00 mole of pure NOCl and 0.964 mole of pure Cl2 are placed in a 1.00 L container. Calculate the equilibrium concentration of Cl2 (g).
Consider the following reaction: 2 AB(g) = 2 A(g) + B2(g) The reaction is allowed to proceed until equilibrium is reached, and the final concentrations are: [AB] = 0.041 M [A] = 0.061 M [B2] = 0.030 M %3D %3D %3D Calculate the value of the equilibrium constant, K. Enter the numerical value using 2 significant figures.
An equilibrium reaction has a K = 3.2 x 10-4. What can be said about the reaction? [Reactants] [Products] [Reactants]> [Products] [Reactants] [Products] < =
Consider the following reaction: COCI2(g) + CO(g) + Cl2(g) A reaction mixture initially contains 1.6 M COCI2. Determine the equilibrium concentration of CO if Kc for the reaction at the temperature is 8.33 x 104. Calculate this based on the assumption that the answer is negligible compared to 1.6. + indicates an equilibrium arrow. 4.2 x 10-4 M 1.5 x 103 M 3.7 x 10-2 M 2.1 x 102 M 1.3 x 103 M
CO(g) + H₂O(g) ⇒ H₂(g) + CO₂(g) K = 7.3@823 K A closed 5.0 L container initially holds 3.0 moles CO and 6.0 moles H2O. Calculate the concentrations of each material at equilibrium. What is the equilibrium concentration of H₂O? [H₂O] = [?] M
Consider the equilibrium system described by the chemical reaction below. If the partial pressures at equilibrium of NO, Cl2, and NOCI are 0.095 atm, 0.171 atm, and 0.28 atm, respectively, in a reaction vessel of 7.00 L at 500 K, what is the value of Kp for this reaction? 2 NO(g) + Cl2(g) = 2 NOCI(g)
Consider the equilibrium system described by the chemical reaction below. For this reaction, Kc = 2.1 × 10³ at a certain temperature. If the equilibrium concentrations of H₂ and F₂ are both 0.0021 M, determine the concentration of HF at equilibrium. H₂(g) + F₂(g) ⇌ 2 HF(g) Kc = [x]2 / [0.0021] [0.0021] = 2.1x103 [HF]eq =

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