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The Reaction Quotient

Q. When 15. mL of a 9.64x10^-4 M ammonium sulfide solution is combined with 25.0 mL of a 53.93x10^-4 M lead acetate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to _____.

Solved • Mar 6, 2020

The Reaction Quotient

Q. When 22.0 mL of a 7.72x10^-4 M copper(II) sulfate solution is combined with 15.0 mL of a 2.26x10^-4 M potassium hydroxide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to ______.

Solved • Mar 6, 2020

The Reaction Quotient

Q. Gaseous nitrogen dioxide forms gaseous dinitrogen tetroxide with a keq = 164 at 25C in a 2.00L container a. Write and balance the equation b. If at a given timepoint the concentrations of nitrogen dioxide was measured to be 0.500 M and the concentration of dinitrogen tetroxide was measured to be 1.25 M, is the reaction at equilibrium? c. What are the concentrations at equilibrium? d. After the initial equilibrium, if 5.00mol of dinitrogen tetroxide was introduced into the container, what are

Solved • Mar 8, 2020

The Reaction Quotient

Q. Consider the following system at equilibrium where ΔH° = 10.4 kJ, and Kc = 1.80x10^-2, at 698 K. 2HI(g) ⇌ H2(g) + I2(g) If the TEMPERATURE on the equilibrium system is suddenly increased: The value of Qc a) Is greater than Kc b) Is equal to Kc c) is less than Kc

Solved • Feb 19, 2020

The Reaction Quotient

Q. Consider the following system at equilibrium where ΔH° = 16.1 kJ, and Kc = 154, at 298 K. 2NO (g) + Br2 (g) ⇌ 2NOBr (g) If the TEMPERATURE on the equilibrium system is suddenly increased: The value of Qc A. Is greater than Kc. B. Is equal to Kc C. Is less than Kc.

Solved • Feb 19, 2020

The Reaction Quotient

Q. Consider the following system at equilibrium where ΔH° = -10.4 kJ, and Kc = 55.6, at 698 K. H2(g) ⇌ I2(g) + 2HI(g) If the VOLUME of the equilibrium system is suddenly increased at constant temperature: The number of moles of I2 will: a) increase b) decrease c) remain the same

Solved • Feb 19, 2020

The Reaction Quotient

Q. Consider the following system at equilibrium where ΔH° = -10.4 kJ, and Kc = 55.6, at 698 K. H2(g) ⇌ I2(g) + 2HI(g) If the VOLUME of the equilibrium system is suddenly increased at constant temperature: The reaction must: _____

Solved • Feb 19, 2020