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Chemical Equilibrium
Page 2
Questions (1,115)
Consider the following reaction at equilibrium:
2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
4 answers
asked by
richy
1,805 views
Calculate the ph solution with hydrogen ion concentration of 6.28×10^-6 moldm and 1×10^-5
4 answers
asked by
Nancy
529 views
Hydroxyapatite is the main mineral component of bone. How many grams of hydroxyapatite will dissolve in 1.00 L of H2O? Ksp =
4 answers
asked by
paula
2,339 views
what are the equilibrium concentrations of Pb2+ and F- in a saturated solution of lead (II)flouride if the Ksp for PbF2 is
4 answers
asked by
Victoria
3,101 views
4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp
initially, all the reactants and products have concentrations equal to
3 answers
asked by
Daniel
599 views
1. Calculate the concentration of H3O+, HC2O4-1, and oxalate ion (C2O42-) in a 0.175 M solution of oxalic acid (C2H2O4).
[For
3 answers
asked by
Anonymous
2,827 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
4 answers
asked by
Anonymous
936 views
An equilibrium mixture of the following reaction was found to have [SO3] = 0.391 M and [O2] = 0.125 M at 600 °C. What is the
4 answers
asked by
Amee
1,513 views
(a) Calculate the concentration of barium and sulfate ions in saturated barium sulfate at 25oC.
-10 (b) the solubility in g/L of
1 answer
asked by
Micah
284 views
How do you find the equilibrium constant of: B + O2 <-> BO2 ??
3 answers
asked by
Megan
359 views
In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated.
a) find the concentrations of all aqueous species in the
4 answers
asked by
Anonymous
2,295 views
I need help with What is the solubility of silver oxide, Ag2O, in a solution buffered at pH 10.50? The Kc for the following
2 answers
asked by
Tom
1,172 views
A 2.0 L vessel is filled with 2.0 mol of SO2, 1.2 mol of O2 and 4.6 mol of SO3. After equilibrium of the formation reaction,
1 answer
asked anonymously
33 views
How much reaction is complete when KC=1
4 answers
asked by
Qasim
284 views
Consider the following equilibrium system at 900°C:
H20(g) + CO(g) <==> H2(g) + CO2(g) Initially 5.0 moles of H2O and 4.0 moles
4 answers
asked by
Jessica
1,190 views
1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for
2 answers
asked by
Hannah
578 views
The molar solubility of ZnS is 1.6 × 10-10 M in pure water at a certain temperature. Calculate the Ksp for ZnS at this
2 answers
asked anonymously
122 views
What is the molar solubility of Cr(OH)3 in pure water? The Ksp for chromium (III) hydroxide is 6.3 x 10-31.
7 answers
asked anonymously
147 views
Now calculate Kb the base dissociation constant for [C2H3O2-], acetate anion, for each of your trials from the concentrations of
3 answers
asked by
Tim
5,807 views
Hi! is my answer correct?
Consider the following chemical reaction: H2 (g) + I2 (g) <> 2HI (g) At equilibrium in a particular
4 answers
asked by
Richard
3,824 views
Dinitrogentetraoxide partially decomposes according to the following equilibrium:
N2O4 (g) -> 2NO2 (g) <- A 1.00-L flask is
7 answers
asked by
Jane
4,046 views
According to Le Chatelier’s principle, which direction will the equilibrium shift when the following stresses in the following
1 answer
asked by
CantSay
110 views
2 SO2(g) + O2(g) <==> 2SO3(g)
Initially, 1.6mol SO3 is placed in a 3.0L container. At equilibrium, [O2] = 0.15M. What is the
5 answers
asked by
Jessica
1,297 views
Use Le' Chatelier's Principle.
a solution at equilibrium: BaCrO4(s)<> Ba^2+(aq)+ Cr)4^-(aq)recall: 2CrO4^2-(aq)+ 2H^+(aq)<>
4 answers
asked by
Sandra
2,210 views
Use the reaction below to answer the question. A solution at equlibrium is yellow-orange. The concentration of Fe3+ (iron) ions
1 answer
asked by
Someone
170 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
4 answers
asked by
Maria
1,697 views
Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is
4 answers
asked by
Anonymous
1,078 views
A solution of HNO2 is at equilibrium:
HNO2(aq) + H2O(l) ⇔ H3O+(aq) + NO2-(aq) Water is added. After the water is added, is
4 answers
asked by
Tommy
1,458 views
IM SO CONFUSED PLEASE HELP!
H2 +CO2-->H2O + CO When H2 is mixed with CO2 at 2,000K, equilibrium is achieved according to the
7 answers
asked by
linds
1,414 views
Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3.
(A) Calculate the equilibrium concentrations of both gases
2 answers
asked by
Frank
620 views
Lead metal is added to 0.150 M Cr3+(aq).
Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is
2 answers
asked by
Sara
827 views
Kp < Kc at 25 degrees C for which of the reactions below?
N2 + 3H2 <-----> 2NH3 2NO <------> N2 + O2 C + O2 <------> CO2 2NOCl
4 answers
asked by
Ken
533 views
How would you identify that dynamic equilibrium is established
2 answers
asked by
Saroosh
47 views
What are the factors affecting the equilibrium
2 answers
asked by
Zainab
122 views
Why catalyst does not affect the equilibrium
7 answers
asked by
Kondwani moyo
124 views
Use Le Chatelier’s principle to explain what would happen if you increased the concentration of Nitrogen at the start of the
2 answers
asked by
Brian Giles
81 views
Explain Le Chatelier’s principle
2 answers
asked by
Brian Giles
112 views
The equilibrium constant, Kp for the reaction PCl5 <---> PCl3 + Cl2 is 1.05 at 250 degrees C. The reaction is started with PCl5,
4 answers
asked by
Ken
4,058 views
A mixture consisting of 1 mol of H2O(g) and 1 mol CO(g) is placed in a 11 L reaction vessel at 800 K. At equilibrium, 0.422 mol
2 answers
asked by
Gabriella
1,003 views
According to Le Chatelier’s principle, which direction will the equilibrium shift if the concentration of the I2 is increased
1 answer
asked by
Kristen
79 views
At equilibrium, how does the concentration of reactants compare to the concentration of products?
The concentrations are
1 answer
asked by
Kristen
71 views
Write down the Ksp expression for CaF2. If the molar solubility of CaF2 at 35℃ is 1.24×10^(-3)mol/dm3, calculate the value of
2 answers
asked by
Chenny
1,236 views
Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following.
a) pH 7.4 b) pH 9.2 c) pH 11.5 ALL
4 answers
asked by
HELP PLEASE
2,460 views
NH3+H2S-->NH4HS
<-- Kc=400 at 35 Celsius what mass of NH4HS will be present at equilbrium? My work NH3 H2S NH4HS initial 2 mol 2
4 answers
asked by
Anonymous
3,732 views
What would happen to the position of equilibrium when the following changes are made to the reaction below ? Hg3O is added to
1 answer
asked anonymously
55 views
At 250ºC, the equilibrium constant Kp for the reaction PCl5(g) PCl3(g) + Cl2(g)is 1.80. Sufficient PCl5 is put into a reaction
3 answers
asked by
viamariam
112 views
calculate the pH of 0.0125M NH3 Kb=1.8x10-5
1 answer
asked anonymously
62 views
A solution has [OH−]
[ O H − ] = 2.1×10−2 M M . Use the ion product constant of water Kw=[H3O+][OH−] K w = [ H 3 O + ] [
4 answers
asked anonymously
71 views
At equilibrium at a certain temperature, the concentration of NzH3(g), H2(g) and N2(g) are 0.980 M, 1.53 M and 0.510,
1 answer
asked by
Yassah Kesselly
50 views
Which of the following is NOT true at equilibrium?
The forward and reverse reactions proceed at the same rate. The concentrations
1 answer
asked by
no
213 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics