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Chemical Equilibrium
Page 7
Questions (1,115)
When 0.5 mole of CO2 and 0.5 mole of H2 were forced into a litre reaction container, and equilibrium was established:
CO2(g) +
3 answers
asked by
Anonymous
1,237 views
Why does equilibrium shift to the left when AgNO3 is added to the equation Co(H20)6 (aq) + 4Cl- (aq) <---> CoCl4 (aq) + 6H2o(l)?
3 answers
asked by
Nancy
2,343 views
3.0 moles each of carbon monoxide, hydrogen, and carbon are placed in a 2.0 liter vessel and allowed to come to equilibrium
5 answers
asked by
Kelly Hills
1,528 views
An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has a partial pressure of 217.0 torr, 13.2 torr, and 13.2 torr,
6 answers
asked by
Kat
1,820 views
PCl5 dissociates according to the reaction: PCl5(g) ↔ PCl3(g) + Cl2(g). One mole of PCl5 was placed in one liter of solution.
4 answers
asked by
Sam
3,305 views
A solution initially contains 0.350 mol/L of A and 0.750 mol/L of B. A reaction occurs according to the equation
2 A(aq)+B(aq)<=>
4 answers
asked by
ami
992 views
Calculate [CO32- ] in a 0.019 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction
3 answers
asked by
Kaleen
1,955 views
What is the percent ionization of 0.025 M chlorous acid, HClO2 solution?
Ka HClO2 = 1.1*10^(-2) Answer: 48% What I did: HClO2(aq)
4 answers
asked by
% ionization
1,287 views
PCl5 --> PCl3 + Cl2 (Kp = 630 at 546 K)
A system is prepared by placing equimolar amounts of the three gases shown in the
4 answers
asked by
Molly
2,398 views
Calculate the equilibrium constant for the following reaction of a weak acid and base HF + NH3 <=> NH4+ + F-
given Ka (HF) = 6.9
4 answers
asked by
max
862 views
how do I caluclate (H3O+) in a solution if the PH is the following 1.81
3 answers
asked by
dada78
521 views
At a certain temperature, the pH of a neutral solution is 7.77. What is the value of Kw at that temperature?
4 answers
asked by
Pete
2,080 views
At room temperature the equilibrium constant Kc for the reaction: 2NO(g)=N2(g)+O2(g) is 1.4x10^30. In the atmosphere at room
3 answers
asked by
curtis
618 views
Equal volume of a 0.02 M Zn+ solution and a 2.0M NH3 solution are mixed. Kf for [Zn(NH3)4] is 4.1*10^8. If enough sodium oxalate
3 answers
asked by
Sara
858 views
solubility equillibrium is dynamic equillibrium between undissolved excess solute and solvent or aqueous solution and crystal in
4 answers
asked by
micheal
646 views
Please judge my answer
Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a)
2 answers
asked by
Abigail
1,084 views
When carbon dioxide is heated in a closed container, it decomposes into carbon monoxide and oxygen according to the following
4 answers
asked by
Laureta
1,585 views
A 2.00 mol sample of nitrogen dioxide was placed in an 80.0L vessel. At 200 degrees C, the gen dioxide was 6.0% decomposed
5 answers
asked by
Ken
1,905 views
At 25C, Kc= 3.7x10^9 for the reaction
CO(g) + Cl2(g) equilibrium with COCl2(g) Calculate the Kp at this temperature.
3 answers
asked by
Wolf
765 views
Le Chatelier's principle says that if a chemical reaction at equilibrium is disturbed by changing conditions, the reaction
3 answers
asked by
no
194 views
Phosphorous pentachloride is a fine grained powder, ranging in colour from colourless to pale yellow. It has a pungent odour. In
3 answers
asked by
Dec
180 views
A system is represented by the following equation: 2A + B ⇄ 3C.
At equilibrium, [C]=0.6 M. Calculate the value of K if
3 answers
asked by
p
247 views
Which of the following is NOT necessary for chemical equilibrium?
a closed system reactants and products that are the same state
4 answers
asked by
bill nye the science guy
481 views
In a certain experiment, 1.000 mole of N2 (g) and 1.000 mole of H2 were allowed to react at 500°C in a 1.000-liter flask. The
4 answers
asked by
Amy
856 views
What is the value of equilibrium constant kc for NO2 + N2O =3NO..Given that equilibrium concentration are NO2=1.25, N2O=1.80 and
4 answers
asked by
FREDLY
1,221 views
The equilibrium for the following reaction at 700 K is, H₂(g) + I₂(g) ⇄ 2 HI(g), K₁ = 55.17: What is the value of the
3 answers
asked by
mmm
387 views
Consider the following equilibrium.
2 NOCl(g) ⇌ 2 NO(g) + Cl2(g) Determine Kc if 1.00 mol of NOCl(g) is initially placed in an
4 answers
asked by
jhope
980 views
A mixture consisting of 1 mol of H2O(g) and 1 mol CO(g) is placed in a 7 L reaction vessel at 800 K. At equilibrium, 0.369 mol
3 answers
asked by
Piper
935 views
Calculate the relative concentrations of phenol (Ka = 1.05 x 10-10) and phenolate
ion in a solution with 0.05 M total phenol (pH
4 answers
asked by
Anonymous
449 views
Given that the K sp for CaF2 at 25°C is 3.9 × 10–11, will a precipitate form when 0.10 L of 2.3 × 10–4 M CaCl2 is added
3 answers
asked by
Lubna
3,504 views
H2(g) + I2(g) ⇌ 2HI(g)
The concentration of H2, I2 and HI are measured as 0.04 M, 0.08 M and 0.12 M at equilibrium and 200 K.
2 answers
asked by
Summer
757 views
The Ksp of nickel(II) carbonate, NiCO3, is 1.42×10−7. Calculate the molar solubility, S, of this compound.
3 answers
asked by
Anonymous
2,383 views
Now use the average value of Kb the base dissociation constant of acetate anion to calculate an average value for Ka, the acid
3 answers
asked by
Jenn
3,099 views
how do you calculate the equilibrium constant K for a reaction given only the equilibruim pressure for the sample...i thought u
3 answers
asked by
Anonymous
396 views
At 100 °C the reaction:
SO2Cl2(g) ⇄ SO2(g) + Cl2(g) has Kp = 2.4. Calculate the equilibrium composition of the mixture when
3 answers
asked by
Anonymous
729 views
The solubility product constant of Calcium hydroxide is 6.5 * 10^-6 . If 0.10 mo of sodium hydroxide is added to 1 L of 0.0001 M
9 answers
asked by
Ian
3,050 views
Consider the following system at equilibrium.
CaCO3(s) mc032-1.jpg Ca2+(aq) + CO32–(aq) The addition of which compound will
4 answers
asked by
Haylie S
3,494 views
What is the equilibrium constant in the following reaction
[C][O2]/[CO2] [CO2]/[C][O2] [C]^2[O2]^2/[CO2]^2 [CO2]^2/[C]^2[O2]^2
4 answers
asked by
Jordan
1,785 views
The molar solubility of magnesium chloride in water is 0.23 M.
What is the numerical value for Ksp for MgCl2? Suppose you wanted
3 answers
asked by
Lily
1,117 views
Consider the following reaction: CO2 (g) + H2 (g) CO (g) + H2O (g)
Calculate the value of the equilibrium constant, Kc, for the
3 answers
asked by
kevin
957 views
Keq for the reaction 2HI <----> H2 +I2 has a value of 1.85x 10^-2 at 425 degrees celsius. If 0.18 mol of HI is placed in a 2.0 L
1 answer
asked by
a
606 views
Calculate the pH of a solution contain 0.300 mole per liter of KH2PO4 and 0.0150 mole per liter of K2HPO4.
1 answer
asked by
Ashok
424 views
In a 1.00 L container at 272 degrees C 1.3 mol of N2 and 1.65 mol of H2 are added at equilibrium 0.100 mol NH3 is present
3 answers
asked by
kim
453 views
The equilibrium constant, Kc, for the following reaction is 1.54E-2 at 643 K.
2HI(g) H2(g) + I2(g) When a sufficiently large
2 answers
asked by
Mariah
633 views
Calculate the Keq of the reversible reactions Cr2O7 + 2OH -> CrO4 + H2O and 2CrO42->Cr2O72 , given the following data:
HCrO4 -> H
3 answers
asked by
Trix
1,479 views
2 NH3 (g) ----> N2 9g) + 3 H2 (g)
at equilibrium, [NH3] = 0.0227 M, [N2] = 0.119 M, and [H2] = 0.346 M. Calculate Kc for the
2 answers
asked by
Sam
584 views
Calculate the ph of a buffer solution containing 0.2M NH4OH and 0.25M NH4Cl kb=1.8×10
4 answers
asked by
rupesh
1,458 views
Given the molar concentration of hydrogen ion, calculate the concentration of hydroxide ion [H+]=7.9*10-7
3 answers
asked by
Anonymous
1,019 views
When 0.100 mol CaCO3(s) and 0.100 mol CaO(s) are placed
in an evacuated sealed 10.0 L container and heated to 385 K, P(CO2) =
3 answers
asked by
Tan
1,431 views
Consider the reaction
2 SO2(g) + O2(g) in equilibrium with 2 SO3(g) . At 25°C delta H° = -197.78 kJ and delta S° = -187.95
3 answers
asked by
Bill
706 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics