For the reaction H2(g) + Br2(g) =2 HBr(g), K. = 81.4 at 385°C. If [H2] = [Br2] = [HBr] = 2.4 × 10-4 M at 385°C, which one of the following is correct? %3D [HBr] increases as the system approaches equilibrium. [H2] and [HBr] decreases as the system moves toward equilibrium. [H2] and [Br2] increases as the system approaches equilibrium. There is not enough information given to make a determination. [HBr] and [Br2] increases as the system approaches equilibrium. The system is at equilibrium.

For the reaction H2(g) + Br2(g) =2 HBr(g), K. = 81.4 at 385°C. If [H2] = [Br2] = [HBr] = 2.4 × 10-4 M at 385°C, which one of the following is correct? %3D [HBr] increases as the system approaches equilibrium. [H2] and [HBr] decreases as the system moves toward equilibrium. [H2] and [Br2] increases as the system approaches equilibrium. There is not enough information given to make a determination. [HBr] and [Br2] increases as the system approaches equilibrium. The system is at equilibrium.

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...

See similar textbooks

Similar questions

The reaction H2(g) + I2(g) 2 2 HI(g) has an equilibrium constant K. of 49.7 at 458 °C. If a 60.0-L mixture has concentrations [H2] = 1.14 mol/L and [I] = 2.43 mol/L, what amount (in moles) of each species will be present when the mixture reaches equilibrium?
Consider the general reaction 2A(g) + B(s) = C(g) +3D(g) AH = +115 kJ which has already come to equilibrium The position of the equilibrium was shifted by adding additional B(s) to the system. Choose the correct effect on equilibrium (it will shift to the right, will shift to the left, or it will not be affected). O It will shift to the right. O It will shift to the left. O It will not be affected Consider the general reaction 2A(9) + B(s) C(g) + 3D(g) AH = +115 kJ which has already come to equilibrium. The position of the equilibrium was shifted by removing C(g) from the system as it forms. Choose the correct effect on equilibrium (it will shift to the right, will shift to the left, or it will not be affected). O It will shift to the right. O It will shift to the left. O It will not be affected.
6. A quantity of liquid methanol, CH3OH, is introduced into a rigid 3.00-L vessel, the vessel is sealed, and the temperature is raised to 500K. At this temperature, the methanol vaporizes and decomposes according to the reaction CH3OH(g) → CO(g) + 2 H2(g), Ke= 6.90×10-². If the concentration of H₂ in the equilibrium mixture is 0.426M, what mass of methanol was initially introduced into the vessel?
2. Initially, a system contains 1.00 mol of NOCI in a 2.00 L container. At equilibrium, the system contains 0.056 mol of Cl₂ in a 2.00 L container. Create an ICE table and determine the equilibrium concentrations and the value of Keq. 2 NOCI (g) = 2 NO(g) + Cl₂ (g)
(Q106) Consider the decomposition of nitrosyl bromide into nitrogen monoxide and bromide gas, which has an equilibrium constant K. = 6.2 x 105 when the reaction occurs at a certain temperature. If the initial concentration of nitrosyl bromide is 0.832 M, what will be the equilibrium concentration of nitrogen monoxide gas? 2 BRNO (g) 2 NO (g) + Br2 (g)
= The reaction 2HBr(g) ⇒ H₂(g) + Br₂(g) measures [HBr] = 0.177 M, [H₂] = 0.223 M, and [Br₂] = 0.111 M after 5 seconds. If Kc = 1.05 at 25°C, in which direction is the reaction moving to reach equilibrium? Q = 0.790, moving forward (to the right) to reach equilibrium Q = 0.140, moving forward (to the right) to reach equilibrium Q = 0.140, moving reverse (to the left) to reach equilibrium Q = 0.790, moving reverse (to the left) to reach equilibrium
At 700 K, the reaction 2SO,(g) + O2(g) 2SO3(g) has the equilibrium constant K = 4.3 x 106, and the following concentrations are present: [SO2] = 0.10M; [SO3] = 10. M; [02] = 0.10 M. Is the mixture at equilibrium? O There is not enough information to be able to predict the direction. O It is always at equilibrium O Yes, the mixture is at equilibrium. O No it is not at eqilibrium
Iron(III) oxide and hydrogen react to form iron and water, like this: Fe,0;(s)+3 H,(g)→2FE(s)+3H,O(9) At a certain temperature, a chemist finds that a 5.1 L reaction vessel containing a mixture of iron(III) oxide, hydrogen, iron, and water at equilibrium has the following composition: compound amount db Fe,O3 4.36 g H, 4.35 g Fe 3.23 g H,0 2.73 g Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. Explanation Check 2022 McGraw H LLC. A Rights Reserved Terms of Use Pvacy Center Accessibil DE P Type here to search JU P. Alt alexa ENADLED
An experimenter places the following concentrations of gases in a closed container: NOB1] = 0.475 M, [NO] = 2.59 x 10-2 M, Bra] = 5.57 x 10-2 M. These gases then react: 2NOB1(g) = 2NO(g) + Br2 (g) At the temperature of the reaction, the equilibrium constant Ke is 3.15 x 10-4. Calculate the reaction quotient, Qe, from the initial concentrations and determine whether the concentration of NOBr increases or decreases as the reaction approaches equilibrium. Qc = The concentration of NOBr decreases v
Consider the equilibrium reaction below: N₂(g) + O₂(g) 2 NO(g) Create an equilibrium constant, K, expression for the above reaction using the drag and drop tools: K= [N₂][0₂] [N₂]+[0₂] [NO]² [N]²[O]² [NO] 2[NO]
The following reaction has an equilibrium constant Ke = 1.5. A, + B, =2AB The following diagrams represent reaction mixtures where A is represented by red spheres and B is represented by blue spheres. For each diagram, determine if the reaction mixture is at equilibrium. If it is not at equilibrium, determine the direction in which the reaction will proceed to reach equilibrium.
The diagrams represent the equilibrium mixture for the reaction X, (g) + Y(g) = X(g) + XY(g) at 300 K and 500 K. The X atoms are represented using red spheres, and the Y atoms are represented using blue spheres. Is the reaction exothermic or endothermic? exothermic cannot determine from the diagrams 300 K endothermic 500 K