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Chemical Equilibrium
Page 6
Questions (1,115)
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
2,479 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
1,070 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
1,207 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
787 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
2,943 views
The Henry's law constant for CO2 is 3.1 x 10-2 mol/L-atm at 25°C. What pressure would
be necessary in order to have a .25 M
4 answers
asked by
S
1,120 views
Method for getting correct answer? Thank you!
What is the value of Kc at 226.85 °C for the reaction below if Kp is 6.24e-3 at
3 answers
asked by
Chemistry
507 views
calculate Cu2+ in a 0.15M CuSO2 (aq) solution that is also 6.5M in free NH3.
Cu^2+(aq)+ 4NH3(aq)<=> [Cu(NH3)4]^2+ kf=1.1*10^13
3 answers
asked by
allyx3
1,072 views
c. A student put 1.18 mole of substance A and and 2.85 mole of substance B into a 10 litre flask which was then closed. The
4 answers
asked by
shahab
2,484 views
You work with the following system:
2X(g) <--> Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.
3 answers
asked by
Katie
561 views
At 55C, the K for the reaction: 2NO2(g) <--> N2O4 is 1.15
a) write the equilibrium expression b) calculate the concentration of
6 answers
asked by
Anonymous
1,317 views
The equilibrium constant, Kc for the system,
CaO(s) + CO2(g) == CaCO3(s), is A. Kc = (CaO) (CO2) / (CaCO3) B. Kc = (CO2) C. Kc =
4 answers
asked by
Hannah
2,446 views
Calculate the percent ionization of 0.120 M lactic acid (Ka=1.4*10^-4).
4 answers
asked by
Steven
3,422 views
Nitrogen dioxide, NO2, dimerizes easily to form dinitrogen tetroxide , N2O4 :
2NO2<===>N2O4 a) Calculate Change in reaction G*
3 answers
asked by
Jenna
2,060 views
The solubility of lead (II) chloride (PbCl2) is 1.6 x 10^-2 M. What is the Ksp of PbCl2?
3 answers
asked by
jack
2,918 views
what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2
CH3NH2+ H20<======> CH3NH3+ + OH- Kb= 4.2 x 10 ^-4
4 answers
asked by
shanice
1,517 views
A 1.00-kg sample of Sb2S3(s) and a 10.0-g sample of H2(g) are allowed to react in a 25.0-L container at 713 K. At equilibrium,
3 answers
asked by
Shanice
795 views
The S^2- ion is a relatively strong base with an equilibrium constant of 7.7x10^-1.
What is the Ka value for HS- ? I got the
5 answers
asked by
sh
887 views
For the equilibrium 2SO2(g) + O2(g) = 2SO3(g), what will change the value of Kp?
A adding a catalyst B adding more O2 C
4 answers
asked by
HIMADITYA
1,081 views
What is the hydroxide ion concentration in a solution with [H3O-] = 7.67 x 10^-9M
4 answers
asked by
Anonymous
1,229 views
The equilibrium 2 SO2(g) + O2(g) 2 SO3(g) has the value K = 2.5 1010 at 500. K. Find the value of K for each of the following
5 answers
asked by
Tommy
2,313 views
If 0.50 mol of iodine and 0.50 mols of chlorine are initially placed into a 2.00-L reaction vessel at 25 Degrees Celsius, find
4 answers
asked by
John L
1,379 views
For the equilibrium system below, which of the following would result in an increase in the quantity of H2(g)?
H2(g) + I2(g)
3 answers
asked by
Urgent
417 views
At a certain temperature, the equilibrium constant is 174 for
H2(g) + I2(g) ↔ 2HI(g) Calculate the equilbrium constant for
3 answers
asked by
Max
306 views
What is the correct expression for the formation constant (Kf ) for the complex ion Fe(CN) 6^3-
3 answers
asked by
Anonymous
1,139 views
The Ksp of calcium sulfate, CaSO4, is 9.1 × 10−6. What is the molar concentration of CaSO4 in a saturated solution?
2 answers
asked by
Dakotah
835 views
Find the concentration of Ca2+, in equilibrium with CaSO4(s) and 0.035 M SO4-2.
3 answers
asked by
Struggling, but Hopeful
534 views
Chemical equilibrium constant expression (Kc).
2 NOCl (g) ↔2 NO (g) + Cl2 (g)
3 answers
asked by
Jecelyn
1,563 views
The position of the equilibrium for a system where k=8.4 x 10^-5 can be described as being favored to____; the concentration of
3 answers
asked by
Abby
645 views
In a solution of copper(II) chloride, the following equilibrium exists:
CuCl42-(aq) (dark green) + 4H2O(l) <-->
3 answers
asked by
Mary
3,085 views
At 603K,Kc for the reaction NH4Cl(g)<==>NH3(g) + HCl(g) is 0.011.What is the equilibrium concentration of NH3(g) if the initial
3 answers
asked by
Nibert
969 views
The Ksp of manganese(II) hydroxide, Mn(OH)2, is 2.00 × 10-13. Calculate the solubility of this compound in g/L.
4 answers
asked by
Bre
2,666 views
When 0.20 mol of hydrogen gas and 0.15 mol of iodine gas are heated at 723 K until equilibrium is established, the equilibrium
3 answers
asked by
Bea
1,869 views
A researcher put 10.0 moles of N2O into a 2-L container at some temperature where it decomposes according to the following: N2O
3 answers
asked by
Laury
719 views
Consider the reaction:
CO(g)+Cl2(g)⇌COCl2(g) Keq= 2.9×1010 at 25 ∘C A 5.89 −L flask containing an equilibrium reaction
3 answers
asked by
Mona
1,115 views
Kc = 28 at some temperature for the reaction
H2(g) + I2(g) ⇀↽ 2 HI(g). If 16.7 moles of HI are introduced into a 10.0 liter
3 answers
asked by
Katie
535 views
The equilibrium constant for Br2 + Br <-> Br3 at 25 degrees is 18. Calculate the equilibrium constant Br3 <-> Br2 + Br
3 answers
asked by
Lori
907 views
The following equilibrium exists in a closed container: N2(g) + O2(g) = 2NO(g), ΔH = +181 kJ/mol. Which of the following
4 answers
asked by
danny
832 views
1) C2H2O4(aq) = H+ (aq) + C2HO4- (aq); Keq = 6.5E-2
2) C2O42- (aq) + H+ (aq) = C2HO4- (aq); Keq = 1.64E+4 then what is the
3 answers
asked by
danny
904 views
At a certain temperature, Keq is 4.13 x 10^-5 for the equilibrium:
2IBr(g) ↔ I2(g) + Br2(g) Assume that the equilibrium is
3 answers
asked by
Ryan
1,075 views
At 2273 K the equilibrium constant for the reaction
2 NO(g) « N2(g) + O2(g) KC = 2400 What would be the equilibrium
3 answers
asked by
Andy
509 views
I was just wondering how I would determine the pKb of a weak base that was titrated with a strong acid on a titration curve at
4 answers
asked by
TC
661 views
At a certain temperature, 0.900 mol of SO3 is placed in a 2.00-L container.
2SO3(g)<--> 2SO2(g)+O2(g) At equilibrium, 0.130 mol
6 answers
asked by
Laura
4,263 views
The volume occupied by the reaction SiF4(g)+2H2O (g)=SiO2 (s)+4HF (g). is reduced.Predict the direction of shift in the position
4 answers
asked by
Shane
918 views
When the concentration of I2 is increased to 1.5 M, the ratio of products to reactants is 28. The equilibrium constant for the
3 answers
asked by
tracy
2,344 views
PCL5=PCl3+Cl2
a. Initially 0.72 mole PCl5 are placed in 1.50 L flask. At equilibrium, there is 0.16 mole PCl3 in the flask. What
3 answers
asked by
chemdummy79
1,497 views
#26
The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the solubility of this compound in g/L.
3 answers
asked by
Mari Micci
1,957 views
3. Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of
2 answers
asked by
Sdon
749 views
For the reaction 2NH3(g) 3H2(g) N2(g) at 472oC equilibrium is established when [H2] =0.0200M, [N2] = 0.0100M and [NH3] =
3 answers
asked by
joe
2,139 views
This question I really don't get it. I tried tried tried to figure out how to start solve the problem but still couldn't figure
6 answers
asked by
Laura
1,990 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics