Question 3 Consider the following reaction, which is initially at equilibrium. What happens when HX is added to the equilibrium mixture? HX(aq) + H*(aq) + X'(aq) O The reaction shifts right because a product was removed. O The reaction doe not shift left or right because the equilibrium position was not affected. O The reaction shifts right because a reactant was added. O The reaction shifts left because a product was added. O The reaction shifts left because a reactant was removed.

Question 3 Consider the following reaction, which is initially at equilibrium. What happens when HX is added to the equilibrium mixture? HX(aq) + H*(aq) + X'(aq) O The reaction shifts right because a product was removed. O The reaction doe not shift left or right because the equilibrium position was not affected. O The reaction shifts right because a reactant was added. O The reaction shifts left because a product was added. O The reaction shifts left because a reactant was removed.

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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Question: The reaction A + B ↔ C is known to be in equilibrium at a certain temperature. When the concentration of B is doubled while keeping the concentration of A constant, the reaction reaches a new equilibrium. How will the equilibrium constant (Kc) be affected by this change? Explain your reasoning.
7. What happens to a reaction at equilibrium when a product concentration is decreased? The reaction is unchanged. a) b) A catalyst is formed c) The reaction makes more reactants. d) The reaction makes more products. 8. What happens to a reaction at equilibrium when a reactant concentration is increased? a) b) c) d) The reaction is unchanged. A catalyst is formed The reaction makes more reactants. The reaction makes more products. 9. Consider the equilibrium Sa(s) + 8 O2(g) + 8 SO2(9) In which direction will this reaction move if more oxygen is added to the reaction vessel? we are not given enough information to determine the direction the reaction will move a) there will be no change in the position of the equilibrium b) c) I in the reverse direction d) in the forward direction 10. A catalyst is added to the equilibrium reaction: NH4CI(s) +→ NH3(g) + Cl2(0) The reaction will not return to equilibrium a) b) reach equilibrium faster c) produce more reactant d) produce more of the…
QUESTION 25 Consider the following reversible reaction at equilibrium: 3 H2(g) + N2(g) → 2NH3(g) + heat Which of the following changes will shift the equilibrium towards the reactants (left side)? O Decreasing the temperature. O Increasing the amount of H2. O Adding a catalyst to the system. O Decreasing the volume of the system. O Increasing the amount of NH3.
How will an increase in temperature affect the following equilibrium? How will a decrease in the pressure of the reaction vessel affect it? 302 (g) 203 (g) AH = 285 kJ An increase in temperature will shift the equilibrium to the left; a decrease in the pressure of the reaction vessel will shift the equilibrium to the right O An increase in temperature will shift the equilibrium to the right; a decrease in the pressure of the reaction vessel will shift the equilibrium to the right O An increase in temperature will shift the equilibrium to the right; a decrease in the pressure of the reaction vessel will shift the equilibrium to the left. An increase in temperature will shift the equilibrium to the left; a decrease in the pressure of the reaction vessel will not affect the equilibrium
For questions 9-13. Consider the reaction 2NOCI(g) = 2NO(g) + C12(g). If this reaction is at equilibrium, what happens when the following changes occur? 9. NOCI(g) is added O shift to right shift to left no reaction O both shifts to right and left
d. Suppose you add compound E to the equilibrium mixture. Compound E reacts with compound D which is a component of the equilibrium to form compound F as described in the equation below. E + D Which compound is removed from the equilibrium mixture when you add compound E to the mixture? (Enter "correct" for ALL correct answers.) • B D e. What shift in the equilibrium will occur as a result of the addition of compound E? (Enter "correct" for the correct shift.) A + B C + D (shift to the right) A + B C + D (shift to the left)
Consider the reaction: A ←--→ B At equilibrium, what can be said about the concentration of A and B? Explain (note: the numerical value of the equilibrium constant changes with temperature).
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Question 20 Which statement best describes general equilibrium? Equilibrium is reached when the reaction stops. There is only one set of equilibrium concentrations that equals the Kc value. At equilibrium, the rate of the forward reaction is the same as the rate of the reverse reaction. At equilibrium, the total concentration of products equals the total concentration of reactants.
4. What does a bi-directional arrow tell you about a chemical reaction? The reaction happens only once The reaction happens more than once The reaction is able to reverse O The reaction is at equilibrium
A Moving to another question will save this response. estion 3 For the following equilibrium reaction, hich cause and effect are correctly matched CO(g) + 2H2(g) CH 30H(g) heat add COshift left O remove H5, shift left O remove heat, no change O remove CH3OH, shift left O add heat, shift right
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