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Equilibrium Reactions
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Questions (319)
For the reaction H2+I2, Kc=55.3 at 700K. In a 2. L flask containing an equilibrium mixture of three gases, there are .056g H2
1 answer
asked by
Jeff
1,192 views
For the system
CO(g) + H2O(g)<-->CO2(g) + H2(g) Kp is 1.6 at 900 K. If 0.400 atm CO(g) and 0.400 atm H2O(g) are combined in a
1 answer
asked by
Andrew
816 views
For the process
CH4(g) = C(s) + 2H2(g) A reaction is started in a rigid vessel at 1000 K with 1 mole of methane and 1 mole of
2 answers
asked by
patrick
604 views
A solution of C6H5CO2Na hydrolyzes according to the equation. If the [C6H5CO2H] in the solution after hydrolysis is 0.00000294
2 answers
asked by
sparkle
854 views
If the initial concentration of F(g) is 8.285 mol/L, calculate the % decomposition of F(g) when the reaction comes to
3 answers
asked by
sparkle
499 views
Determine the equilibrium constant, Keq, for the reaction
5.3 10–19 18.30 1.7 1054 1.9 1018 5.7 10–55 i have tried this but
3 answers
asked by
lucylu
459 views
what would Qc be if the pressure of the container decreased by a factor of 2.417 for the following reaction?
4Hcl(g)+O2(g)<-->2Cl
3 answers
asked by
Chem
982 views
A solution contains the following:
NH3(aq) + H2O(l) <--> NH4+(aq) + OH-(aq) Adding NH4Cl to this solution shifts the equilibrium
2 answers
asked by
Mandy
1,284 views
An equilibrium reaction which has K1 = 6.5 x 10¯2 at 100oC and has ∆Horxn = -49.5 kJmol¯1. What is the value of K at 250 oC?
3 answers
asked by
Duffy
453 views
I posted this below and received help but im still lost and worked out the problem but am getting the wring answer:
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4 answers
asked by
Saira
535 views
Lead metal is added to 0.140 Cr^3+(aq).
Pb(s)+ 2Cr^3(aq)<---> Pb^2+(aq)+2Cr^2+(aq) KC=3.2*10^{-10} A. What is Pb^2+ when
4 answers
asked by
Saira
967 views
Lead metal is added to 0.140 Cr^3+(aq).
Pb(s)+ 2Cr^3(aq)<---> Pb^2+(aq)+2Cr^2+(aq) KC=3.2*10^{-10} A. What is Pb^2+ when
3 answers
asked by
Saira
474 views
Kp for the reaction CaCO3 <---> CaO + CO2 at 350 degrees C is 0.105. Kc for the reaction at the same temp is _____.
This is what
4 answers
asked by
Ken
584 views
Consider the following reaction, A <===> B in a 1.00L container. At 1.77°C, the molar concentrations of A and B, respectively,
1 answer
asked by
Sarah H
377 views
If I had an equilibrium of
CH3CO2(aq) + H(aq) <=> CH3CO2H(aq) and the applied stress was HCl and NaOH what observations should I
1 answer
asked by
Jason
746 views
I was looing over this question and the answer I got was not correct, I noticed that somone already posted this question up
1 answer
asked by
Jason
730 views
Hi, there are 5 questions and I was wondering if you could check them for me. Thanks!
3. The hypothetical equilibrium reaction
1 answer
asked by
Dave
632 views
Write the equilibrium expression for the following reactions:
a. wW +xX ⇌ uU +vV b. H2O(g)+CO(g)⇌ H2 (g)+CO2(g ) c. COCl2(g
11 answers
asked anonymously
58 views
Quick question, since FePO4 is insoluble, will that mean a precipitate will form? During the experiment I don't remember seeing
3 answers
asked by
Karl
2,240 views
A reaction: A(aq) + B(aq) <-> C(aq)
has a standard free-energy change of –4.65 kJ/mol at 25 °C. What are the concentrations of
3 answers
asked by
Katherine
2,185 views
In one experiment, 50.0ml of 0.10M CH3NH2, is mixed with 20.00ml of 0.10 M CH3NH3Cl. The kb of CH3NH2 is 3.70*10^-4.
a) write the
3 answers
asked by
James
1,572 views
The equlibrium constant K, for the reaction, H2 + CO2 <-> H20 + CO, is 4.2 at 1650 degrees C. Initially, 0.80 mol H2 and 0.80
3 answers
asked by
Kristen
1,551 views
(g)⟷PCl3(g)+Cl2(g)
What changes can you make to increase the amount of reactant at equilibrium in this reaction? (1 point)
1 answer
asked anonymously
56 views
Write the equilibrium law for the following reaction:
2 H2(g) + O2(g) <=====> 2 H2O(g) NH3(aq) + H2O(l) <==== NH4 (aq) + OH(aq)
1 answer
asked anonymously
48 views
Chemistry
What will happen if hydrochloric acid is added to the following equilibrium system? H+(aq) + 2 CrO42-(aq) ⇔
4 answers
asked anonymously
45 views
What will happen if hydrochloric acid is added to the following equilibrium system?
H+(aq) + 2 CrO42-(aq) ⇔ Cr2O72-(aq) +
4 answers
asked anonymously
43 views
The equilibrium constant has been determined in several reactions as follows:
1. N2(g) + O2(g) ⇔ 2NO(g) Keq = 4.8 x 10^–31 2.
4 answers
asked anonymously
57 views
What is the correct equilibrium constant for the following reaction?
2NO(g) + 2H2(g) ⇔ N2(g) + 2H2O a) Keq = ([H2]^2 [NO]^2) /
6 answers
asked anonymously
44 views
For the reaction NO2(g) + NO(g) = N2O3(g)
If at particular temperature, K was 575 and equilibrium concentration of N2O3(g) was
4 answers
asked by
Sara
1,398 views
Carbonyl fluoride, COF2, is an important intermediate for organic fluorine compounds. It can be prepared by the following
1 answer
asked by
JP
1,271 views
for the equilibrium H2+CO2<-->H2O+CO
Kc=3.18 at 1106K. if each of the four species was initially present at 3.000M calculate the
4 answers
asked by
Andy
1,260 views
Consider the following reaction.
CaSO4(s) reverse reaction arrow Ca2+(aq) + SO42-(aq) At 25°C the equilibrium constant is Kc =
2 answers
asked by
Anonymous
1,239 views
The reaction Co(H2O)6^+2 + 4Cl- <==> CoCl^-2 + 6H2O is at equilibrium. The left side is pink and the right side is blue. 1. What
3 answers
asked by
Heather
1,204 views
Write an equilibrium reaction for a buffer system made of the weak base, B, and its conjugate acid. If the buffer contains 1.05
2 answers
asked by
meme
1,158 views
Kp=1.78 at 250 degrees for the decomposition reaction, PCl5(g)->PCl3(g)+Cl2(g. Calculate the percentage of reactant that remains
2 answers
asked by
Jamie
1,152 views
2𝐻𝐼(𝑔) ⇌ 𝐻2
(𝑔) + 𝐼2(𝑔) 𝐾𝐶 = 0.290 at 400 K. If the concentrations of HI, H2 and I2 are measured to
1 answer
asked anonymously
42 views
at 700 k the equilibrium constant for the reactions is Kp=0.76. Carbon tertrachrolide gas yields carbon solid and chlorine gas.
2 answers
asked by
Anonymous
1,116 views
Why will a reaction that forms a very weak electrolyte not form an equilibrium reaction?
Your preface is questionable. Do you
2 answers
asked by
Chrissy
1,113 views
Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should
5 answers
asked by
Tri
1,103 views
Heterogenous equilibrium of ammonium
bisulfide. Ammonium bisulfide NH4HS forms ammonia NH3 and hydrogen sulfide H2S through the
2 answers
asked by
gin
1,091 views
you add 0.05ml of 0.10M agno3 to 4ml of 2.0 nacl it forms saturated solution of agcl<---> ag+ + cl-
using a saturated solution
2 answers
asked by
Jeanine
1,099 views
A reaction mixture of 4.0 mL of 0.002 M SCN- and 5.0 mL of 0.002 M Fe3+ is diluted to 10.0 mL with 0.1 M HNO3 to form the
1 answer
asked by
Anonymous
1,049 views
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described:
2NaHCO3 (s) --> <--- Na2CO3
2 answers
asked by
Avery
988 views
2SO2(g]+O2(g]⇌2SO3(g] ,4 conditions by which concentration of SO3 can be increased
I need the answer for my exam i would be
4 answers
asked by
MANASA
980 views
For 2 SO2(g) + O2(g) equilibrium reaction arrow 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture
2 answers
asked by
Jonathan Redd
946 views
If some of the CaCO3 in the sample had already formed some Ca(HCO3)2, will the volume of CO2(g) generated in the reaction be
2 answers
asked by
Gloria
944 views
What is the pH of a 0.125 M solution of a weak base if ∆H° = -28.0 kJ and ∆S° = -175 J/K for the following equilibrium
1 answer
asked by
Mika
907 views
I posted this last night, A 0.500L vessel initially contains 0.0125 mol of H2S2 . Find the equilibrium concentrations of H2 and
3 answers
asked by
Veronica
930 views
C(s) + H20(g)↔ CO(s) + H2(s)
the equilibrium constant for this reaction is 4.251 x 10^-2 at 800 K. if the equilibrium
2 answers
asked by
Someone
908 views
KHC4H4O6(s)<-> K+ (aq)+ HC4H4O6-(aq)
1) If the above reversible were started with only solid potassium hygrpden tartrate, which
5 answers
asked by
Can someone check this for me really quick
917 views
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Parent Categories (15)
Acid-Base Chemistry
Acid-base reactions
Acids and Bases
Chemical Equilibrium
Chemical Reactions
Chemistry
Chemistry Education
Chemistry of Reactions
Electrolytes
Equilibrium
Equilibrium Constants
Gas reactions
Organic Chemistry
Solubility Equilibrium
Thermodynamics