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Equilibrium Constants
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Questions (414)
For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the
6 answers
asked by
Hannah
693 views
Using this data,
2 NO(g) + Cl2(g) == 2 NOCl(g) Kc = 3.20 X 10-3 NO2(g) == NO(g) + ½ O2(g) Kc = 3.93 calculate a value for Kc for
4 answers
asked by
Hannah
705 views
A) At 800 K the equilibrium constant for I2(g) <=> 2 I(g) is Kc = 3.1 10-5. If an equilibrium mixture in a 10.0-L vessel
2 answers
asked by
HELP PLEASE
962 views
Given: 2N2(g) +O(2) --> 2N2O(g) Kc =1.2x10^(-35)
N2O4(g) --> 2NO2(g) Kc = 4.6x10^(-3) 1/2N2(g) + O2(g) --> NO2(g) Kc= 4.1x10^(-9)
3 answers
asked by
Matt
1,537 views
Ag(s) + Cl2(g) --> 2AgCl(s)
∆H and ∆S are 254.14kJ and –115.0J/K respectively. Calculate equilibrium constant, K for the
2 answers
asked by
Alfred
555 views
What is the equilibrium constant "Kp" at 200 C for the reaction below:
P4(s) + 6 Cl2(g) --><-- 4 PCL3(l) Given the following at
2 answers
asked by
k
1,042 views
The reaction 2 COF2(g)--> CO2(g) + CF4(g) has Kp = 2,001,051 at a certain temperature. What would be the value of Kp for the
2 answers
asked by
Ryan
553 views
What factors affect the equilibrium constant for the reaction N2O4(g) + heat NO2(g)?
1 answer
asked by
Will
642 views
If a 0.50 M solution of potassium hypochlorite, [OH^-]=3.0*10^-4. What is the Ka for hypochlorous acid?
Can someone please help
1 answer
asked by
JM
391 views
If the equilibrium constant (Keq) equals 9.12x1012 for the following reaction between strontium and magnesium:
Sr(s) +
2 answers
asked by
alex
553 views
Like all equilibrium constants, Kw varies
somewhat with temperature. Given that Kw is 5.02×10−13 at some temperature, compute
1 answer
asked by
Anonymous
464 views
Consider the reaction
N2 + 3H2 in equilibrium with 2 NH3 . At 25°C Ho = -92.22 kJ and So = -198.53 J/K. Using this information,
1 answer
asked by
Shayne
497 views
Determine the values of Kp that correspond to the following values of Kc
a)CO(g) + Cl2(g) <===> COCl2(g) Kc= 1.2 x 10^3 at 668 K
3 answers
asked by
shanice
757 views
The equilibrium constant for a reaction was measured at several temperatures and the data plotted at right. The slope and
2 answers
asked by
KC
546 views
Calculate the equilibrium constant (K) for the ammonia synthesis reaction at
25°C and show how K is related to the partial
2 answers
asked by
KC
938 views
For the reaction SO3(g)---> SO2(g) + 1/2 O2(g), Kc= 16.7 at 1000 K. What is the value of Kc at 1000 K for the reaction
2 SO2 (g)
2 answers
asked by
Jalisa
982 views
At 625 K the value of Kc for the equilibrium represented by the balanced equation is 2.50 x 100. Calculate the value of Kp at
3 answers
asked by
sparkle
699 views
WHat is the accepted equilibrium constant for ferric thiocyanate [FeSCN2+]? I can't find a reliable number anywhere.
Thanks in
1 answer
asked by
CHeem
924 views
The molar solubility of PbBr2 at 250C is 1.0x10^-2. Calculate the Ksp.
2 answers
asked by
ami
812 views
100. mL of 0.020 M CaCl2(aq) is added to 200. mL of 0.20 M K2SO4(aq). Calculate the equilibrium concentrations of Ca^2+ (aq) and
5 answers
asked by
Bob
1,406 views
Write down the Ksp expression for Ag2CrO4. If the solubility of Ag2CrO4 is 0.0216 g/L, calculate the value of Ksp
3 answers
asked by
Chenny
1,701 views
The initial pressure for the compounds involved in the reaction displayed were determined to be P(SO2(g)) = 0.5932 atm, P(O2(g))
2 answers
asked by
bme1
508 views
Calculate the value of the equilibrium constant (Kp) for the reaction displayed if the following equilibrium pressure data were
1 answer
asked by
bme1
487 views
Given the following equilibrium constants,
Ka (NH4^+)=5.6*10^-10 Kb (NO2^-)=2.2*10^-11 Kw=1.00*10^-14 determine the equilibrium
3 answers
asked by
Katie
837 views
In 1.33L container, 4.20 AB3, is heated to 400C, and 2.98x10-2(negative 2) moles of A is present at equilibrium.
AB3(g) <---->
1 answer
asked by
sheer
456 views
In the reaction PCl5(g) ---> PCl3(g) + Cl2 (g)
0.200 mol of PCl5 is introduced into a 2.00 liter vessel. At equilibrium, the
5 answers
asked by
josh
592 views
Calculate the equilibrium constant at 25°C and at 100.°C for each of the following reactions, using data available in Appendix
3 answers
asked by
Trixie
640 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
An equilibrium constant ...
A. is small when the products are favored in the reaction. B. is calculated by dividing the
3 answers
asked by
WENDY
605 views
determine the experssion of equilbirum constant for h2+12=2Hi
3 answers
asked by
p
18 views
A.CALCULATE THE CRYOSCOPIC CONSTANT OF H2O. USE IT TO ANSWER THE FOLLOWING: a WEAK ACID HX is dissolved in water. A 0.250 molal
1 answer
asked by
TINA5
415 views
Question:
1. The value of the equilibrium constant for the reaction H2CO3(aq) + energy ƒnƒnH2O(l) + CO2(g) can be changed by
1 answer
asked by
???
553 views
Consider the following chemical equilibria: H2 (g) CO2 (g) H2O (g) CO (g) FeO (s) H2 (g) Fe (s) H2O (g) whose equilibrium
1 answer
asked anonymously
45 views
Consider the following reaction.
CaC2(s) + 2 H2O(l) ⇌ Ca(OH)2(aq) + C2H2(g) Which of the following represents the thermodynamic
7 answers
asked by
jhope
2,515 views
Given the equilibrium constant values:
N2 + 1/2O2 >>> N2O ; kc = 2.7 * 10^-18 N2O4>>>>2NO2 kc=4.6*10^-3 1/2N2 + O2>>>NO2 kc = 4.1
4 answers
asked by
abe
2,056 views
For the reaction 2CO(g)+O2 《=》2CO2 with equilibrium constant Kc. Suppose the equation is rewritten as CO + 1/2O2 《=》CO2
3 answers
asked by
Emem
1,958 views
2NO2(g)⇌N2O4(g). ΔH∘f for N2O4(g) is 9.16 kJ/mol.
3 answers
asked by
chad
1,955 views
the ka of hypochlorous acid hclo is 3.5 x 10^-8. What is Kb for the hypochlorite ion?
4 answers
asked by
Bb
1,873 views
The vapor pressure of water @ 80 degrees C is 0.467 atm. Find value of Kc for the reaction H2O(l) to H2O(g) @ this temp.
3 answers
asked by
Robin
1,687 views
What is the equilibrium constant for the following reaction?
3A + 2B <---> 2C
3 answers
asked by
kayla
1,657 views
Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58
5 answers
asked by
Kyo
1,676 views
Consider the following reaction:
CO(g)+2H2(g)⇌CH3OH(g) This reaction is carried out at a specific temperature with initial
4 answers
asked by
Donnie
1,662 views
The value of pKb for the base ethylamine (CH3CH2NH2) is 3.19 at 25°C, while the pKa for formic acid
(HCO2H) is 3.74, also at
4 answers
asked by
mandy
1,630 views
Equilibrium constants at 25 ∘C are
Substance Kc Value of Kc CaCO3 Ksp 4.5×10−9 H2CO3 Ka1 4.3×10−7 Ka2 5.6×10−11 What
4 answers
asked by
Samantha
1,614 views
equilibrium constants for the following reactions
4Cu(s) + O2(g) 2Cu2O(s), K1 2CuO(s) Cu2O(s) + 1/2O2(g), K2 what is K for the
3 answers
asked by
Roja
1,618 views
The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant.
2HBr(g
3 answers
asked by
Jodi
1,521 views
What is the equilibrium constant expression for the predominant equilibrium in HPO4^2- (aq)?
7 answers
asked by
Liz
1,417 views
12. What is the equilibrium constant expression for the following reaction C(s) + O2(g) →CO2(g)
1 answer
asked anonymously
51 views
We place some nitrogen and hydrogen in an empty 5.00 liter vessel at 500°C. When equilibrium is established, 3.01 mol N2, 2.10
1 answer
asked anonymously
66 views
When 0.40 moles of PCI, is heated in a 10.0 L container, equilibrium is established is which 0.25 moles of
Cl2 is present. Find
1 answer
asked anonymously
71 views
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Parent Categories (20)
Acid-Base Chemistry
Acid-Base Equilibrium
Acid-base reactions
Acids and Bases
Chemical Equations
Chemical Equilibria
Chemical Equilibrium
Chemical Reactions
Chemistry
Chemistry or Science
Electrochemistry
Equilibrium
Equilibrium Chemistry
Equilibrium Reactions
Organic Chemistry
Reaction kinetics
Reactions
Reversible reactions
Thermodynamics
Thermodynamics and Equilibrium