Chemical Equilibrium

Welcome to the Chemical Equilibrium category of Questions LLC! Here, you will find a plethora of questions and discussions surrounding the fascinating concept of Chemical Equilibrium. Chemical equilibrium occurs when the forward and reverse reactions proceed at an equal rate, resulting in a dynamic balance of reactants and products within a closed system. Whether you are a student, an enthusiast, or a professional in the field, this category provides a platform to explore and expand your understanding of the principles, factors, and applications surrounding Chemical Equilibrium. From understanding Le Chatelier's principle to predicting shifts in equilibrium, join us in unraveling the intricacies of this equilibrium state in chemical reactions. Feel free to ask questions, offer insights, and engage in conversations with like-minded individuals to foster a comprehensive understanding of Chemical Equilibrium.

Questions (1,108)

HNO2(aq)+NH3(aq)⇄NH4+(aq)+NO2−(aq)Kc=1×10^6 Nitrous acid reacts with ammonia according to the balanced chemical equation
1. 5 answers
2. asked by ...
3. 6,920 views
Which of the following statements best defines chemical equilibrium?a state in which the concentration of the reactants equals
1. 10 answers
2. asked by cheeze
3. 3,708 views
Calculate the hydroxide ion concentration of a solution with pH = 8.25.
1. 5 answers
2. asked by Ciaria
3. 6,433 views
The Ksp for nickel(II) hydroxide is 5.47E-16. What is the base dissociation constant for nickel(II) hydroxide?So I started off
1. 5 answers
2. asked by a Canadian
3. 2,562 views
How many of the following changes would alter the numerical value of the equilibrium constant Kp for the reaction 2OF2(g) ⇀
1. 4 answers
2. asked by Sara
3. 845 views
In a saturated solution of silver phosphate, the concentration of silver ion is 4.5 x 10^-4 mol/L. The Ksp of silver phosphate
1. 6 answers
2. asked by Bobby
3. 4,437 views
The equilibrium constant (Keq) is the ratio of ____ concentrations to ____ concentrations at equilibrium, with each
1. 5 answers
2. asked by MEGAN!!!!!!!!!!!
3. 2,973 views
For the following reaction, Kp = 3.5 104 at 1495 K.H2(g) + Br2(g) 2 HBr(g) What is the value of Kp for the following reactions
1. 5 answers
2. asked by Elizabeth
3. 10,976 views
The equilibrium constant, Keq, for the reaction:SO3(g) + NO (g) ⇋ NO2 (g) + SO2 (g) was found to be 0.500 at a certain
1. 4 answers
2. asked by arshly
3. 1,446 views
The value of Kb for HPO₄²- is?A. 2.2*10^-13 B. 6.2*10^-8 C. 1.6*10^-7 D. 4.5*10^-2 I don't get how to solve this.
1. 10 answers
2. asked by Shreya
3. 5,357 views
A 0.130-mole quantity of CoCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Co2 ions at equilibrium?
1. 7 answers
2. asked by HELP. PLEASE!!
3. 5,078 views
Ca(OH)2 has a Ksp of 6.5×10−6.If 0.370 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to
1. 4 answers
2. asked by Darcy
3. 3,799 views
For the equilibrium:CO(g) + H2O(g) ⇌ CO2(g) + H2(g) KC = 10.0 If 1.6 mol of CO and 1.6 mol of water are initially added to a
1. 4 answers
2. asked by Potato34
3. 700 views
The Keq of a reaction is 4 x 10-7. At equilibrium:a. the reactants are favored. b. the products are favored. c. the reactants
1. 4 answers
2. asked by Anonymous
3. 923 views
Calculate the solubility product of calcium hydroxide if the solubility of Ca(OH)2(s) in water at 25◦C is 0.011 M.Choices: 1.
1. 6 answers
2. asked by vivian
3. 3,767 views
For the equilibrium:NH4HS(s) ⇌ NH3(g) + H2S(g) How does Kp compare to Kc? Kp > Kc Kp = (Kc)1/2 Kp < Kc Kp = (Kc)2 Kp = Kc
1. 4 answers
2. asked by Panda
3. 1,055 views
Rationalize how the addition of the silver nitrate to the Fe/SCN equilibrium system had an effect even though neither Ag nor NO3
1. 3 answers
2. asked by matt
3. 1,196 views
What is [Al(H2 O)5(OH)2+] in a 0.15-M solution of Al(NO3)3 that contains enough of the strong acid HNO3 to bring [H3O+] to 0.10
1. 4 answers
2. asked by Grant
3. 2,991 views
Nitrogen dioxide decomposes on heating according to the following equation2NO2 (g) ↔ 2NO (g) + O2 (g) When 4 mole of nitrogen
1. 7 answers
2. asked by Shahab Mirza
3. 5,826 views
A buffer solution contains 0.052 M HC2H3O2 and 0.025 M NaC2H3O2. The pH of this solution is _____. Ka for HC2H3O2 is 1.8x10-5.
1. 4 answers
2. asked by Morgan
3. 3,707 views
Consider the following reaction at equilibrium:2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
1. 4 answers
2. asked by richy
3. 1,790 views
A saturated solution of Na2SO4, with excess of the solid, is present at equilibrium with its vapor in a closed vessel. (a) How
1. 7 answers
2. asked by Jessica
3. 8,281 views
What happens to the following reaction at equilibrium if the pressure is decreased?2H2(g) + O2(g) 2H2O(g) A. The equilibrium
1. 5 answers
2. asked by Laura
3. 2,743 views
Calculate the concentration of a silver ion when the solubility product constant of AgI is 10^-16
1. 5 answers
2. asked by kayla
3. 1,733 views
Ammonium iodide dissociates reversibly to ammonia and hydrogen iodide:NH4I(s) ↔ NH3(g) + HI(g) At 400ºC, Kp = 0.215. If 150 g
1. 4 answers
2. asked by Jason
3. 2,937 views
What is the pH of a saturated solution of silver hydroxide, given Ksp =1.56*10^-8
1. 4 answers
2. asked by Victoria
3. 1,981 views
The equilibrium constant for the reaction, H2(g) + I2(g) ⟷2HI(g) is54.9 at 699.0 K. What is the equilibrium constant for
1. 4 answers
2. asked by Adrienne
3. 1,789 views
One mole of N2 and three moles of H2 are placed in a flask at 375 C. Calculate the total pressure of the system at equilibrium
1. 4 answers
2. asked by Chemmy
3. 2,947 views
What change do you expect if the value of the reaction quotient is greater than the value of the equilibrium constant?A- Rate of
1. 4 answers
2. asked by Ben
3. 2,032 views
what will happen to bromothymol blue indicator:a.) after addition of HCl, how does it affects the equilibrium b.) after addition
1. 4 answers
2. asked by kacey12
3. 2,207 views
Hydroxyapatite is the main mineral component of bone. How many grams of hydroxyapatite will dissolve in 1.00 L of H2O? Ksp =
1. 4 answers
2. asked by paula
3. 2,326 views
What is the difference between reaction quotient Q and equilibrium constant? According to books both are different but I just
1. 5 answers
2. asked by kajal
3. 867 views
At a certain temperature 0.1moles of hydrogen gas and 0.1 moles of iodine gas were placed in 1 litre flask. It was found that
1. 3 answers
2. asked by Ashley
3. 640 views
C2H6(g) <=> C2H2(g) + 2 H2(g)The ΔH° for the reaction above is +312 kJ. The system is initially at equilibrium. In which
1. 4 answers
2. asked by Paige
3. 3,249 views
Consider the reaction:I2(g) + Cl2(g) 2 ICl(g) Kp = 81.9 at 25°C Calculate ΔGrxn for the reaction at 25°C under each of the
1. 6 answers
2. asked by Anonymous
3. 4,739 views
What is the concentration of H+in a solution of 0.2 M NaOH? i got [H+] = 5x10^-14, is this correct? all i did was [H+][OH-] = Kw
1. 4 answers
2. asked by Maria
3. 1,691 views
Consider the following reaction.CaSO4(s) Ca2+(aq) + SO42-(aq) At 25°C the equilibrium constant is Kc = 2.4 10-5 for this
1. 5 answers
2. asked by Olivia
3. 7,077 views
For the system 2SO2(g) + O2(g) <--> 2SO3 (g), change in enthalpy is negative for the production of SO3. At a particular
1. 9 answers
2. asked by S
3. 3,482 views
Consider the following reaction:CO(g)+2H2(g)⇌CH3OH(g) An equilibrium mixture of this reaction at a certain temperature was
1. 7 answers
2. asked by jessicaCC
3. 6,977 views
Calculate the value of Kp for the equationC(s)+CO2(g)<->2CO(g) Kp=? given that at a certain temperature
1. 5 answers
2. asked by Julia
3. 15,552 views
NH3(aq)+H2O(l)⇄NH4+(aq)+OH−(aq)Kb=1.8×10−5 at 25C Initial [NH3] | Equilibrium [NH4+] | Equilibrium [OH−] | pOH 0.15 |
1. 5 answers
2. asked by ...
3. 4,705 views
The partial pressures of the gases in the container are monitored at constant temperature and recorded in the table below. At
1. 5 answers
2. asked by Anonymous
3. 1,469 views
If the reaction between H2 and I2 to form HI were at equilibrium and an additional 0.25 moles of H2 were added to the reaction,
1. 5 answers
2. asked by HQade
3. 2,270 views
Consider the equilibrium: H2O(l) + HC2H3O2 ⇌ H3O+ + C2H3O2-( All species are aqueous) Why will the addition of NaOH to a
1. 4 answers
2. asked by Ceamus Angelina
3. 3,143 views
For propanoic acid (HC3H5O2, Ka = 1.3 10-5), determine the concentration of all species present, the pH, and the percent
1. 5 answers
2. asked by AMANDIP
3. 4,557 views
Starting with 0.3500mol Co(g) and 0.05500mol COCL2(g) in a 3.050 L flask at 668K, how many moles of Cl2 are present at
1. 6 answers
2. asked by K
3. 2,430 views
The equilibrium constant is equal to 5.00 at 1300K for the reaction2SO2(g) + O2(g) <--> 2SO3(g) if initial concentrations are
1. 4 answers
2. asked by Fiona
3. 8,019 views
A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:A) approximately
1. 4 answers
2. asked by Cody
3. 7,290 views
If 1.00 mol each of carbon dioxide and hydrogen is initially injected into a 10.0-L reaction chamber at 986 degrees Celsius,
1. 4 answers
2. asked by Nathaniel
3. 2,177 views
Given the reaction at equilibrium:BaSO4(s) ↔ Ba2+(aq) + SO42–(aq) BaSO4<--> Ba2+. + SO42- The concentration of SO42– ions
1. 4 answers
2. asked by Carolina
3. 4,704 views

Chemical Equilibrium

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