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Chemical Equilibrium
Page 5
Questions (1,136)
The value of Kc for the reaction below is 1.6
C(s)+CO2(g)=2CO(g) What is the equilibrium concentration of CO when [CO2]=.50M? The
4 answers
asked by
Ezra
2,244 views
A system at equilibrium contains I2(g) at a pressure of 0.23 atm and I(g) at a pressure of 0.24 atm. The system is then
4 answers
asked by
ben1987
1,619 views
An equilibrium mixture of the following reaction was found to have [COF2] = 0.255 M and [CF4] = 0.118 M at 1000°C. What is the
4 answers
asked by
Rebekah
1,098 views
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
1,818 views
The equilibrium constant for the following reaction is 5.0 at 100c. If an equilibrium mixture contains [No2]=0.50 M, what is the
6 answers
asked by
samantha
1,153 views
For the equilibrium below at 400 K, Kc = 7.0.
Br2(g) + Cl2(g) reverse reaction arrow 2 BrCl(g) If 0.90 mol of Br2 and 0.90 mol
4 answers
asked by
James
2,239 views
If you INCREASE the pressure with the following equation (assume all are gases)
A + B --> AB. Which direction will the
3 answers
asked by
boopboooooop
147 views
Can someone help me with this question?
For the reaction: 2HI(g) ↔ H2(g) + I2(g) Keq = 0.016 Initially, a container contains
1 answer
asked by
Rachel
459 views
Calculate the ph solution with hydrogen ion concentration of 6.28×10^-6 moldm and 1×10^-5
4 answers
asked by
Nancy
543 views
75.0 mL 0.060 M NaF and 25 mL 0.150 M Sr (NO3) 2 are mixed. Calculate the Q.
For SrF2 Kc = 2.0 x 10-10
3 answers
asked by
Hiba
744 views
Calculate the pH of a buffer solution containing 1.0 mol/dm3 CH3COONa
2 answers
asked by
Linda
488 views
HA(aq) <-> H+(aq) + A-(aq) K = 5.0 x 10 -9
The initial concentration of HA is 0.30 M What is the final equilibrium concentrations
3 answers
asked by
Kay
1,454 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
2,351 views
The ion-product of pure water, Kw, is
2.51 * 10(-14) at the body temp of 37 degrees Celcius. What are the molar H2O and OH
5 answers
asked by
Leroy
1,200 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
3,115 views
Calculate the concentration of HCO3- in an aqueous solution of 0.0885 M carbonic acid, H2CO3 (aq).
I was going to set this up as
4 answers
asked by
Hannah
661 views
1) For the reaction system, 2 SO2(g) + O2(g) = 2 SO3(g), Kc has
a value of 4.62 at 450.0 K (Kelvin). A system, at equilibrium has
4 answers
asked by
Hannah
1,362 views
A container is charged with hydrogen, nitrogen, and ammonia gases at 120°C and the system was allowed to reach equilibrium.
3 answers
asked by
Tanner
2,397 views
0.100 mol of SO2 and 0.100 mol of O2 are introduced in a flask of 1.52 L. When in equilibrium, 203 is found to be 0.0916 mol.
6 answers
asked by
K
869 views
H2(g) + CO2(g)<-> H20(g) + CO(g)
When H2(g) is mixed with CO2(g) at 2,000K, equilibrium is achieved according to the equation
3 answers
asked by
sara
3,652 views
decide comparative magnitude of kp and kc for NH3 synthesis?
3 answers
asked by
kashaf
66 views
Please check my answers!! I have to turn this in, in 20mins. Please help me ASAP!!!
1.Which statement best explains what would
10 answers
asked by
needhelp
2,440 views
What ratio of C2H3O2- to HC2H3O2 is needed in a solution where the pH=3.85? pKa HC2H3O2 = 4.74
3 answers
asked by
Leaf02
551 views
Calculate the hydronium ion concentration of a 0.250M solution of ethaonic acid (Ka= 1.82 x 10^-5)
5 answers
asked by
Abednego Kumye
1,259 views
Like a equilibrium constants, the values of Kw depends on temperature. At body temperature (37 C), Kw= 2.4 x 10^-14.
What are the
3 answers
asked by
Nevaeh
3,601 views
Calculate the Ksp for silver sulfate if the solubility of Ag2SO4 in pure water is 4.5 g/L.
Ag2SO4(s) <--> 2Ag^+(aq) + SO4^2-(aq)
3 answers
asked by
Ayaka
2,265 views
Rationalize how the addition of the silver nitrate to the Fe/SCN equilibrium system had an effect even though neither Ag nor NO3
3 answers
asked by
matt
1,221 views
1-Dinitrogen tetroxide (N2O4) dissociates according to the equation:
N2O4 ⇌ 2NO2 An equilibrium reaction mixture at 25 ºC was
4 answers
asked by
John
1,721 views
Consider the following system, which is at equilibrium,
3C(s) + 3 H2(g) mc020-1.jpg CH4(g) + C2H2(g) The result of removing some
3 answers
asked by
julie
2,664 views
Kc for the decomposition of ammonium hydrogen sulfide is 1.8 x 10-4 at 15oC.
a. When 5.00 grams of the pure salt decomposes in a
3 answers
asked by
mattie
2,176 views
A 100 mL container is filled with 0.01 mol of A2B3. At equilibrium, it also contains 0.006 mol of B. Find the value of K.
A2B3(g)
3 answers
asked by
Sandra
901 views
A substance (CD) decomposes into C and D
At the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is
4 answers
asked by
Danielle
964 views
The equilibrium constant for the reaction:
2NO(g)+Br2(g)<==>2NOBr(g) Kc=1.3x10^-2 at 1000 Kelvin Calculate Kc for:
5 answers
asked by
Colin
3,876 views
The following reaction has Kp = 109 at 25°C.
2 NO(g) + Br2(g) 2 NOBr(g) If the equilibrium partial pressure of Br2 is 0.0159 atm
4 answers
asked by
Bill
2,722 views
What happens to the equilibrium constant when a catalyst is added to the reaction mixture.
A. Increase B. Decrease C. Does not
3 answers
asked by
Monique
1,091 views
You made up a saturated solution of calcium sulfate (CaSO4). The temp is 25 degrees Celsius. You then add 5.00*10^-3 of sodium
3 answers
asked by
Mig
2,152 views
Consider the following reaction at equilibrium:
2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
3 answers
asked by
richy
1,701 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
612 views
A mixture containing 0.0392 M A(g) and 0.0452 M B9g) is allowed to come to equilibrium at 300K.
The reaction: 3A(g)+ 2B(g)=>
3 answers
asked by
Jim
1,310 views
If you have 0.2 M of NaC7H4ClO2 with a pH of 8.65, what is the pH of 0.2 M of HC7H4ClO2?
4 answers
asked by
Allison
633 views
Which value of Keq indicates most favorability of product formation, Keq = 1 * 10^12, Keq= 1.5 or Keq= 5.6 * 10^-4?
3 answers
asked by
Shawn
1,368 views
Le Chateleir`s Principle
Please check if my answers are right and i dunt know some of them: Consider the following system at
10 answers
asked by
Saira
7,342 views
In a study of the following reaction at 1200K it was observed that when the equilibrium partial pressure of water vapor is 15.0
4 answers
asked by
Taasha
1,662 views
Use the reaction to answer the question.
N2(g) + 3H2(g) ⇄ 2NH3(g) + energy When this reaction has reached equilibrium, how will
5 answers
asked by
burger
865 views
A 1.0 L reaction vessel contained 0.750 mol of CO(g) and 0.275 mol of H2O(g). After 1.0 h, equilibrium was reached. Analysis
3 answers
asked by
sibabalwe
555 views
For propanoic acid HC3H5O2, Ka = 1.3 ✕ 10−5 and 0.102 M solution.
[HC3H5O2] ____M [C3H5O2− ] ____M percent dissociation
4 answers
asked by
chem_student
2,482 views
Fe^3+(aq) + L (aq) ⇌ FeL^3+(aq)
Kf= 4.68x10^25 A 1.00 L solution of 1.00g/L of Fe^3+(aq) has a 1.00 mol of L added. What is the
6 answers
asked by
TS
1,077 views
Consider the following system, which is at equilibrium,
CO(g) + 3 H2(g) <--------> CH4(g) + H2O(g). The result of removing some
3 answers
asked by
Anonymous
1,213 views
At 700 k the equilibrium constant Kc for the reaction between NO(g) and O2(g) forming NO2(g) is 8.7*10^6. The rate constant for
3 answers
asked by
Shay
793 views
The reaction 2H2S(g)⇌2H2(g)+S2(g) Kc=1.67×10−7 at 800∘C is carried out with the following initial concentrations: [H2S] =
3 answers
asked by
hoooo
2,951 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics