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Chemical Equilibrium
Page 5
Questions (1,115)
What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 10-6? Answer to two (2) decimal places.
I know what
4 answers
asked by
Anna
1,489 views
The equilibrium constant for the following reaction is 0.16 M0.5 at 3000 K:
CO2(g) ↔ CO(g) + 0.5O2(g) Determine Qc if the
4 answers
asked by
Max
452 views
write the equilibrium expression, KP
3F2(g) + 2Fe(s) ⇋ 2FeF3(s) I'm not sure how to solve this since the only product is a
4 answers
asked by
Anonymous
448 views
Given the equilibrium concentrations in the table, what is the equilibrium constant for the synthesis of ammonia at this
4 answers
asked by
Ben
1,626 views
Suppose a 250. mL flask is filled with 1.1 mol of Cl2 and 0.60 mol of HCl. The following reaction becomes possible:
H2(g)+Cl2(g)
4 answers
asked by
Troy
2,945 views
When are more products of a reaction available initially than at equilibrium?
A. K = 0 B. Q < K C. Q = K D. Q > K
5 answers
asked by
Laura
1,344 views
What is constant about the equilibrium constant?
A. The reversibility of the reaction at equilibrium is constant. B. The ratio of
4 answers
asked by
jameson
1,210 views
Calculate the equilibrium amounts of each susbtance in the reaction below if an initial amount of 0.1 moles of H2 are brought
4 answers
asked by
Sabrina
1,155 views
Sulfur trioxide decomposes into sulfur dioxide and oxygen in an equilibrium. You have a 3.00 L vessel that is charged with 0.755
4 answers
asked by
Ashley
3,406 views
Calculate the pH of a saturated solution of Sr(OH)2. The Ksp for Sr(OH)2 is 3.2x10^-4.
4 answers
asked by
Aly
2,595 views
For the following reaction at a certain temperature:
2( ) 2( ) ( ) 2 H F HF g g g + � it is found that the equilibrium
3 answers
asked by
Jerry
1,040 views
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
2,235 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
1,617 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
1,092 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
1,152 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
2,233 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
142 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
457 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
735 views
Calculate the pH of a buffer solution containing 1.0 mol/dm3 CH3COONa
2 answers
asked by
Linda
480 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
1,446 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
1,189 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
658 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
1,354 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
2,389 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
859 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
3,641 views
decide comparative magnitude of kp and kc for NH3 synthesis?
3 answers
asked by
kashaf
63 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
2,432 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
544 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
1,255 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
3,599 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
2,257 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
1,708 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
2,658 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
2,167 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
894 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
960 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
3,867 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
2,714 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
1,087 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
2,141 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
1,695 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
1,292 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
629 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
1,360 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
7,332 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
1,656 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
859 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
547 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics