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Equilibrium Constants
Page 6
Questions (412)
Carbonic acid, H2CO3(aq), is a chemical substance which plays an important role in controlling the pH of body fluids. In aqueous
4 answers
asked anonymously
46 views
The variable, Qeq, represents which of these?
a) the equilibrium constant using partial pressure b) the equilibrium constant
10 answers
asked anonymously
38 views
A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:
4 answers
asked by
Cody
1,314 views
consider the following equilibrium.
4NH3(g) +3O2(g)<-> 2N2(g) + 6H2O(g) suppose 0.30mol of NH3 and 0.40mol of oxygen are added to
4 answers
asked by
Anonymous
1,319 views
Consider the reaction
HCHO(g) *) H2(g) + CO(g). 1.0 mol of HCHO, 1.0 mol of H2 and 1.0 mol of CO exist in equilibrium in a 2.0 L
2 answers
asked by
Susan
1,301 views
The standard free energy of formation of nitric oxide, NO, at 1000. K (roughly the temperature in an automobile engine during
2 answers
asked by
Anonymous
1,281 views
At 1100 K, Kp = 0.25 for the reaction
2SO2(g) + O2(g) equilibrium with 2SO3(g) What is the value of Kc at this temperature?
4 answers
asked by
Wolf
1,242 views
Find the equilibrium constant.
1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific
1 answer
asked by
Anonymous
1,236 views
The equilibrium constant Kp for the following equilibrium is 33 at 298 K. What is the value of Kc at this same equilibrium at
2 answers
asked by
Brun
1,172 views
carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction
1 answer
asked by
Chem
1,177 views
Estimate the value of the equilibrium constant at 500 K for each of the following reactions.
2H2S(g)⇌2H2(g)+S2(g) I have
3 answers
asked by
JoAnna
1,143 views
An equilibrium mixture at 852 K is found to contain 3.61 x 10^ - 3 mol/L SO3. Calculate the equililbrium , constant , keq for
6 answers
asked by
Ana
1,159 views
What is the equilibrium constant for the reaction:
HCOOH(aq)+ OH (aq) <--> HCOO(aq)+ H2O(l) Ka= 1.7 * 10^-4 Kb for the conjugate
1 answer
asked by
Molly
1,148 views
Given Ka values of 5.76×10^-10 & 4.8×10^-10, for NH4+ anf HCN.what is the equilibrium constant for following reaction? NH4+ +
2 answers
asked by
Rishi
1,101 views
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced.
O2M(s) ----> M(s) +O2(g)
10 answers
asked by
Janavi
1,097 views
Can somone please explain this problem to me? The hydrolysis equilibrium constant (Ka) for NH2NH3+ is 5.88E-9 (eq. 1).
(eq. 1):
2 answers
asked by
John
1,100 views
What is the equilibrium constant for the reaction of ammonium ion with formate ion?
I know that the ionization constant for
1 answer
asked by
Hannah
1,094 views
0.10 M solution of a weak monoprotic acid has a hydronium-ion concentration of 5.0 * 10^-4 M. What is the equilibrium constant,
2 answers
asked by
wite2khin
1,062 views
Calculate Kp at 298K for the reaction SO2 + NO2--->SO3 + NO
3 answers
asked by
Charlie
1,004 views
Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l)
3 answers
asked by
sara
992 views
Consider the following reaction:
3C(s) + 4H2(g) -> C3H8(g); DH° = –104.7 kJ; DS° = –287.4 J/K at 298 K What is the
1 answer
asked by
Anonymous
973 views
Among the solubility rules previously discussed is the statement: Carbonates, phosphates, borates, and arsenates—except those
1 answer
asked by
Tammy
946 views
Gf of H2CO3 = -616.1 KJ/mol
Gf of H20 = -237.1 KJ/mol Gf of CO2 = - 394.4 KJ/mol 3. A. Carbon dioxide dissolves in water to form
1 answer
asked by
rashi
956 views
Which is the correct expression for Keq when the chemical reaction is as follows:
N2 + 3H2 2NH3.
2 answers
asked by
luis
944 views
Kp for the reaction is 1.47 at 727°S CO2(g) + C(s) 2CO(g) Calculate Kc at this temperature
2 answers
asked by
ken
935 views
‘At 600.0 K, the equilibrium constant based on pressure is Kp = 1.83 x 10^2. Gaseous C2H4 and H2O are placed in a 1.2 L closed
2 answers
asked by
SaraF275
899 views
a chemist puts 6 moles of nitrogen gas and 7 moles hydrogen gas into an evacuated 1 liter container. The system reaches
2 answers
asked by
hannah
907 views
An equilibrium mixture of N2, H2, and NH3 at 700 K contains 0.031 M N2 and 0.52 M H2. At this temperature, Kc for the reaction
2 answers
asked by
Anonymous
881 views
SO this is my first time doing this... lol i need help on an AP chemistry question for equilibrium.
A 0.500 L tank contains 3.00
3 answers
asked by
Sam
889 views
Which of the following statements is not true?
1.Chemical equilibria are examples of reversible processes. 2.When multiple
2 answers
asked by
danny
876 views
An equilibrium mixture of SO2,SO3 and O2 gases is maintained in a 11.5 L flask at a temp at which Kc=55.2 for the rxn:
2SO2 + O2
2 answers
asked by
Holly
874 views
Calculate the equilibrium constant for the weak base CH3NH2, if a solution of the base with an initial concentration of
2 answers
asked by
harry
874 views
If we suppose that Kw = 1.0x10^-14 at 25C, would it be larger or smaller at 100C? What is the value of K for the reaction 8H +
2 answers
asked by
Juan
826 views
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 ✕ 103.
2 NO(g) equilibrium reaction arrow N2(g) + O2(g) If
2 answers
asked by
Ariana
817 views
In a 0.05M solution of a weak monoprotic acid,[H+]=.0018.What is its Ka?
2 answers
asked by
Danny
1,096 views
A mixture of nitrogen gas, hydrogen gas and ammonia gas reacts by: N2(g) + 3H2(g) = 2NH3(g) If the total pressure in the
4 answers
asked by
Marie
813 views
The Ka of an acid is 1.3 x 10–7. Based on the Ka and its relationship with Kw, what is the value of Kb?
2 answers
asked by
Kelly
792 views
4. The initial concentration for the compounds involved in the reaction shown were determined to be [ClF(g)] = 0.5789 mol/L,
1 answer
asked by
aarf
479 views
Write the equilibrium constant expression, K, for each of the following reactions. Where appropriate, designate the K as Ksp.
2H2
2 answers
asked by
Kevin
786 views
A mixture containing 0.5 mol of H2 (g) and 0.5 mol of I2 (g) was introduced into a 10L container at a temperature of 448 C. At
3 answers
asked by
Matt
778 views
The equilibrium constant, Kp, for the following reaction is 2.74 at 1150 K.
Calculate Kc for this reaction at this temperature.
2 answers
asked by
Anonymous
771 views
3H2(g)+N2(g)=2NH3(g)
Suppose the equilibrium constant Kp = 0.003337 for the reaction above. If the equilibrium mixture contains
2 answers
asked by
Tiffany
779 views
given the following data at a certain temperature, calculate K for the reaction between one mole of dinitrogen oxide gas and
2 answers
asked by
karim
759 views
Hi this question is on my study guide and I want to make sure I get to the right answer and know why.
Calculate K for the
5 answers
asked by
Lauren
744 views
at 500K, Kc for the reaction:H2 +D2 gives 2HD is 3.6 what is the value of Kc for 2HD gives H2 +D2
1 answer
asked by
Yashika
712 views
A reaction starts with 1.00 mol each of PCl3 and Cl2 in a 1.00-L flask. When equilibrium is established at 250 degree Celsius in
3 answers
asked by
Shanice
761 views
I was given a problem that my book did not explain how to do, so I attempted to figure it out myself. Let me know if my
1 answer
asked by
Chris
733 views
Use the data in Table 15.3 to calculate the equilibrium
constant for the following reaction: HCOOH(aq) + OH(aq) <-->HCOO(aq) +
3 answers
asked by
vichka
704 views
Pure phosgene gas (COCl2), .03mole, was placed in a 1.5 L container. It was heated to 800k, and at equilibrium the pressure of
4 answers
asked by
Amphee
721 views
Section: Ionization expressions, Weak Bases
Using the equilibrium constants listed in your book, arrange the following .1 M
1 answer
asked by
Chris
716 views
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Parent Categories (20)
Acid-Base Chemistry
Acid-Base Equilibrium
Acid-base reactions
Acids and Bases
Chemical Equations
Chemical Equilibria
Chemical Equilibrium
Chemical Reactions
Chemistry
Chemistry or Science
Electrochemistry
Equilibrium
Equilibrium Chemistry
Equilibrium Reactions
Organic Chemistry
Reaction kinetics
Reactions
Reversible reactions
Thermodynamics
Thermodynamics and Equilibrium