6 Answered Questions for the topic Chemical Equilibrium

10/02/21

Chemical Equilibrium and Calculating Initial Concentration.
How do you calculate the initial concentration?I am a college student, and I've been told finding it is easier than how I make it out to be.Here's exactly what it says in my lab:"Find the initial... more
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Chemical Equilibrium Chemistry

04/07/21

Consider the gas-phase reaction H2(g) + I2(g) ⇄ 2 HI(g)

Suppose that a sealed flask containing H2 and I2 has been heated to 425 °C and the initial concentrations of H2 and I2 were each 0.0175 mol/L. With time, the concentrations of H2 and I2 decline,... more
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Chemical Equilibrium Physical Chemistry

01/06/21

Please Help Me Out
For CaF2(s) ⇌ Ca2+ (aq) + 2 F− (aq), K = 3.9 ×10−11 at 25 °C and the standard Gibbs energy of formation of CaF2(s) is −1167 kJ mol−1. Calculate the standard Gibbs energy of formation of CaF2 (aq)... more
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Chemical Equilibrium Chemistry

12/09/20

I need help figuring out this AP Chem problem. Thanks in advance!
Consider the reaction below. What is the value of the equilibrium constant if the known concentrations of each species at equilibrium are 1.0 M A, 2.2 M B, and 3.4 M C. Write a statement that... more
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Chemical Equilibrium Chemistry

04/26/19

How many mg of PbI2 (Ksp = 1.4x10-8 ) will dissolve in 100. mL of 0.062 M AlI3?
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Chemical Equilibrium Chemistry

07/09/15

Help with a conceptual chemical equilibrium problem?
K = 3.793   For the reaction 3A + C ? 2D   Calculate K for D ? (3/2)A + (1/2)C   Now, I believe the first thing is to invert K. Is that right? So would the first step be 1/3.793? What is the... more
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