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Chemical Equilibrium
Page 8
Questions (1,115)
How many mmol ( millimoles) of HCl must be added to 130.0 mL of a 0.40M solution of methyl amine (pKb = 3.36) to give a buffer
6 answers
asked by
Ana
1,428 views
If Kc = 6.38 × 105 for the reaction
A(g) ⇀ ↽ 2B(g), what is Kc for the reaction written as 2B(g) ⇀ ↽ A(g)? How would I
3 answers
asked by
Sara
525 views
what is the hydronium ion concentration of a 0.35M oxalic acid, H2C2O4. solution? for oxalic acid, ka1= 5.6x10^-2 and
4 answers
asked by
Anonymous
1,777 views
The value of the equilibrium constant for the reaction below is 40.0 at a specified temperature. What would be the value of that
2 answers
asked by
CHEVY
683 views
The Ksp of tin(II) hydroxide, Sn(OH)2, is 5.45 × 10-27. Calculate the solubility of this compound in g/L.
3 answers
asked by
Nickcole Jackson
914 views
at an equilibrium mixture of PCl5, PCl3, and Cl2 has partial pressures of 217.0 Torr, 13.2 Torr and 13.2 Torr respectively. a
3 answers
asked by
lasya
547 views
according to lechateliers principle, would increasing the starting concentration of Ca2+ increase or decrease the amount of
3 answers
asked by
Kelly
626 views
At 25 °C only 0.0570 mol of the generic salt AB is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
4 answers
asked by
Brianna
2,060 views
calculate the kb of ammonia if the ph of .5M solution is 11.48
3 answers
asked by
Serge
799 views
A 0.0583 mol sample of formaldehyde vapour, CH2O, was placed in a heated 0.359 L vessel and some of it decomposed. The reaction
3 answers
asked by
alex
820 views
If Ksp for the dissolution of silver carbonate is 8.1x10-12, calculate the concentration of silver ions present in a saturated
3 answers
asked by
john
1,447 views
NaCl(s) + H2O(l) <--> Na(aq) + Cl(aq)
If you added chloride ions to the above equilibrium, what would happen to the concentration
5 answers
asked by
K
1,654 views
What is the maximum Cu2+ concentration possible in a solution that has a 7.4 E -5 M sulfide ion concentration without
3 answers
asked by
Nick
405 views
What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25
2 answers
asked by
ston
919 views
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.400 M.
N2 (g) + O2 (g) --> 2NO
4 answers
asked by
Jefferson
1,706 views
NH4HS(s) <-> NH3(g) + H2S(g)
An equilibrium mixture of this reaction at a certain temperature was found to have (NH3)=.268 and
3 answers
asked by
hannah
647 views
At a certain temperature, .5 mol of PCl5 was placed in a .25 L vessel and permitted to react as shown
PCl5 (g) --> PCl3 (g)+ Cl2
2 answers
asked by
Alex
588 views
Calculate the solubility of CaCrO4 if its Ksp is 1.6 x 10-9 at 25°C, in mg/L.Ksp = 1.6 x 10-9
4 answers
asked by
Sarah
1,151 views
A 1.00 L flask containing the equilibrium mixture CO +Cl2 <-> COCl2 was found to contain 0.400 mol of COCl2, 0.100 mol of CO,
3 answers
asked by
Divya
1,452 views
when 0.20 mole HF is dissolved in water to a volume of 1.00 L, 5.8% of the HF dissociates to form F- (aq). What is the
2 answers
asked by
emily
475 views
At equilibrium, it was found that [CH3COOH] = 0.8537 M, [CH3COO-] = 0.0040 M, and [H3O+] = 0.0040 M. Calculate the acidity
10 answers
asked by
Lisa
1,078 views
A saturated Ni(OH)_2_ can be prepared by dissolving 0.239 mg of Ni(OH)_2_ in water to make 500.0 mL of solution. What is the Ksp
3 answers
asked by
Shane
754 views
Calculate the pH of an aqueous solution containing 3.8 10-2 M HCl, 1.0 10-2 M H2SO4, and 3.3 10-2 M HCN.
3 answers
asked by
Ashley
397 views
The equillibrium constant (Kp) for the interconversion of PCl5 and PCl3 is 0.0121:
PCl5(g) --> PCl3(g) + Cl2(g) A vessel is
4 answers
asked by
Rosi
1,490 views
At 1100 K, Kp = 0.25 for the following reaction.
2 SO2(g) + O2(g) 2 SO3(g) What is the value of K at this temperature?
3 answers
asked by
Anderson
603 views
A mixture consisting of 1 mol of H2O (g) and 1 mol CO (g) is placed in a 11 L reaction vessel at 800 K. At equilibrium 0.647 mol
4 answers
asked by
Anonymous
2,230 views
Consider this equilibrium
N2(g) + H2(g) <==> NH3(g) +94 kJ The equilibrium law exoression for the balanced chemical equationwould
3 answers
asked by
Q
1,227 views
calculate the hydronium ion concentration in 0.125M formic acid, HCHO2
Ka= 1.8 x 10-4 can you show me the steps pls
6 answers
asked by
Monique
1,082 views
What is the value of Kf for the formation of the ammine M(NH3)2+ ? Assume the concentration of M(NH3)n+ = 0.0020 M
The data were
3 answers
asked by
Amy
1,036 views
how to you calculate the partition coefficient of benzoic acid .13 grams in a 1.6 mL CH2Cl2 and 1.6 mL water?
3 answers
asked by
Paige
670 views
Determine Kc for the following reaction:
1/2N2(g) + 1/2O2(g)+ 1/2Br(g) <-> NOBr(g) from the following information (at 298K)
4 answers
asked by
K
3,416 views
4.
a. Using Le Chatelier's principle, what effect will an increase of temperature have on the following system? H2O(l) + 57 kJ
3 answers
asked by
Sareena
1,133 views
According to Le Chatelier's principle, does the equilibrium shift to the products or reactants when O2 is added to the
3 answers
asked by
Eric
791 views
I only get one chance for each of these questions so I was wondering if someone could check my answers, thanks!
1. Consider the
4 answers
asked by
Rebekah
2,231 views
An equilibrium mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] = 3.77 10-3
2 answers
asked by
Rachel
1,202 views
given reaction at equilibrium, if Kp=1.05 at 250 degree celcius, then kc =
3 answers
asked by
jay
672 views
Some hydrogen and iodine are mixed up at 229 degrees celsiusin a 1-L container. When equilibrium is established, the following
5 answers
asked by
jlh
1,212 views
What is the [OH-] of a saturated solution of Zn(OH)2? Ksp=1.8 x 10^-14. i'm just confused on how to start this problem i don't
3 answers
asked by
Taylor
832 views
the total pressure of n2o4 and no2 IS 1.38 atm. if kp is 6.75(25 C) calculate partial pressure of NO2 in the mixture. 2NO2<--->
6 answers
asked by
anon
1,063 views
help please!
At 2200°C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in
3 answers
asked by
Alyssa
980 views
What is the value of [OH-] in a 0.015 M CH3COOH solution? Ka = 1.8 x 10-5
I started by writing the equation: CH3COOH + H2O <--->
3 answers
asked by
Audrey
929 views
.924moles of A9g) is placed in 1L at 700C where 38.8% dissociated when equilibrium was established.
3A <--> 5B + 2C What is the
3 answers
asked by
Anonymous
436 views
Given that Kw = 2.4x10^-14 at 37 celsius, compute the PH of a neutral aqueous solution at 37 celsius, which is the normal human
3 answers
asked by
Kim
869 views
Calculate the solubility of Cu(oh)2 in grams per liters of solution if Ksp for Cu(OH)2 IS 4.8X 10^-20
3 answers
asked by
ami
616 views
At a particular temp, K = 1.6 x 10^-5 for the reaction:
2SO3(g) <-> 2SO2(g) + O2 (g) If 4 mol of SO2 and 2 mol of O2 are placed
3 answers
asked by
Scott L.
644 views
what would be the concentration of chromate ion, CrO4^-2, in a saturated solution of CaCrO4. (Ksp= 7.1x10^-4)
3 answers
asked by
Aimee
980 views
At 2273K, equilibrium constant for the reaction
2NO(g)<->N2(g)+O2(g) Kc=2.4x10^3 What would be equilibrim concentration of N2, if
10 answers
asked by
Chem
693 views
The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e-10. What is the molar solubility of Ce ion in pure water?
= .0019 M B) A 0.031 M
3 answers
asked by
Nick
2,015 views
Consider the following equilibrium:
PCl5 = PCl3+ Cl2 5.0 moles of are placed in a 10.0 L flask at 200 C and allowed to come to
4 answers
asked by
AMI
943 views
Consider this reaction: CO (g) + H2O (g0 <---> CO2(g)+H2(g)
kc=102 at 500 K A reaction mixture initially contains 0.145 M of CO
2 answers
asked by
Katie
1,125 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics