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Equilibrium Constants
Page 3
Questions (412)
For the reaction HCONH2(g) NH3(g) + CO(g), Kc = 4.84 at 400 K. If ΔH° for this reaction is 29 kJ/mol, find Kc at 500 K.
3 answers
asked by
Anonymous
883 views
The standard Gibbs free energy of formation of ammonia at 25 ° c is - 16.5kj per mole.calculate the value of equilibrium
3 answers
asked by
muli
1,287 views
for the reaction at 20 C
NH3 (aq) + H+ (aq) <----> NH4+(aq) the equilibrium constant is calculated to be K=4.5 x 108
4 answers
asked by
Brigitte
1,479 views
Assume that Kc = 0.0360 at 520°C for the first reaction above. What is the Kc for the second reaction at the same temperature?
2
4 answers
asked by
Hannah
765 views
C6H5COOH(aq) + NO2-(aq) <=> C6H5COO-(aq) + HNO2(aq)
A table of ionizations is given to calculate the equilibrium constant for
4 answers
asked by
Katherine
1,273 views
Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane:
2C17H35COOH Picture (C17H35COOH)2; ΔH°rxn =
3 answers
asked by
lisa
1,844 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
Use the following thermodynamic data at 298 K to determine the equilibrium constant at this temperature for the reaction of iron
1 answer
asked by
Lucinda
1,036 views
1.The equilibrium constant for the oxidation of elemental iron metal, Fe, by oxygen, O2 to form hematite, according to the
3 answers
asked by
GM
953 views
For decomposition of ammonium chloride to ammonia and hydrogen chloride at 427 degree Celsius and kp is 4.8 what is the value of
3 answers
asked by
Hewan
370 views
use the appropriate standard reduction potentials in the appendix of your book to determine the equilibrium constant at 285 K
3 answers
asked by
Rachel
1,018 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
What are the concentrations of Cu^2+, NH3, and Cu(NO3)4^2+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a .400 M
3 answers
asked by
Jamila
814 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
903 views
A 100 L reaction container is charged with 0.782 mol of NOBr, which decomposes at a certain temperature** (say between 100 and
4 answers
asked by
JOhn Boku
837 views
Please also, help me set up this problem.
Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation.
4 answers
asked by
Lindsey
1,844 views
Consider the reaction:
SO2 (g) + NO2 (g) ==> SO3 (g) + NO (g) At T = 1000 K, where the reaction is exothermic with an equilibrium
3 answers
asked by
Ana
1,035 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
508 views
A student ran the following reaction in the laboratory at 327 K:
CH4(g) + CCl4(g) 2 CH2Cl2(g) When she introduced 4.07E-2 moles
3 answers
asked by
Jessica
1,568 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
Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is
2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227C Using delta H =
6 answers
asked by
CHRIS
1,138 views
The following equilibrium was studied by analyzing the equilibrium mixture for the amount of H2S produced.
Sb2S3(solid)+3H2(gas)<
3 answers
asked by
Laffy Taffy
2,491 views
At a given temperature, the elementary reaction A <=> B in the forward direction is first order in A with a rate constant of
3 answers
asked by
Jessica
3,126 views
Ag(s) + Cl2(g) --> 2AgCl(s)
∆H and ∆S are 254.14kJ and –115.0J/K respectively. Calculate equilibrium constant, K for the
3 answers
asked by
Alfred
442 views
PCl5 --> PCl3 + Cl2 (Kp = 630 at 546 K)
A system is prepared by placing equimolar amounts of the three gases shown in the
4 answers
asked by
Molly
2,398 views
the equilibrium-constant expression for a reaction is
kc= [N2][H2O]2 ---------- [NO]2[H2] what is the equilibrium-constant
4 answers
asked by
Anna
1,359 views
At 25C, Kc= 3.7x10^9 for the reaction
CO(g) + Cl2(g) equilibrium with COCl2(g) Calculate the Kp at this temperature.
3 answers
asked by
Wolf
765 views
1.0L of aqueous solution in which [H2CO3]=[HCO3^-]=0.10M and has [H^+]=4.2E-7. What is the concentration of [H^+] ofter 0.005
3 answers
asked by
Vic
1,455 views
What would happen to Kc values in an experiment if the Beer's law constance (k) value used was low ( e.g you used 4000/M when
3 answers
asked by
matt
1,254 views
Consider the reaction: 2 IF5 (g) + I4F2 (g) ⇋ 3 I2 (g) + 6 F2 (g)
6.0 mol of IF5 and 8.0 mol of I4F2 are placed in a 5.0 L
4 answers
asked by
Johnny
604 views
If the reaction SO2(g) +0.5O2(g) <-> SO3(g) has the equilibrium constant Kc =56, then what is the Kc value for the following
4 answers
asked by
Anonymous
966 views
The equilibrium for the following reaction at 700 K is, H₂(g) + I₂(g) ⇄ 2 HI(g), K₁ = 55.17: What is the value of the
3 answers
asked by
mmm
385 views
Consider the following equilibrium.
2 NOCl(g) ⇌ 2 NO(g) + Cl2(g) Determine Kc if 1.00 mol of NOCl(g) is initially placed in an
4 answers
asked by
jhope
979 views
Refer to Equilibrium Constants. Calculate the pH of a solution resulting from the addition of 50.0 mL of 0.30 M HNO3 to 50.0 mL
3 answers
asked by
Addy
744 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
708 views
For the reaction: 2NO(g) + H2(g) <=> N2O(g) + H2O(g) + energy
Write the equilibrium constant expression for the reaction. This
2 answers
asked by
Kat
685 views
Keq for the reaction 2HI <----> H2 +I2 has a value of 1.85x 10^-2 at 425 degrees celsius. If 0.18 mol of HI is placed in a 2.0 L
1 answer
asked by
a
606 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 equilibrium constant Kc^i is 3.2x10^-34 at 25 degrees C for 2HCl(g) -> H2(g) + Cl2 (g). The equilibrium constant Kc^ii is
4 answers
asked by
Lily
2,253 views
Determine the value of the equilibrium constant,Kgoal , for the reaction
N2(g)+O2(g)+H2(g)<=> (1/2)N2H4(g) + NO2(g) Kgoal=? by
4 answers
asked by
Sean
3,382 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
Fluorine reacts with oxygen to yield oxygen difluoride.
2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following
3 answers
asked by
Marie
579 views
At 450oC, the equilibrium constant Kc for the Haber-Bosch synthesis of ammonia is 0.16 for the reaction writeten as 3H2(g) + N2
2 answers
asked by
Helen
826 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
Kp for the reaction CO2(g) + C(s) 2CO(g) is 1.47 at 727°C. Calculate Kc at this temperature
Answer A. 0.0179 B. 0.0246 C. 121 D.
3 answers
asked by
ken
3,715 views
Given the following information:
Ni(OH)2(s) Ni2+(aq) + 2 OH (aq) Ksp=6.0 x 10 16 H2O(l) H+(aq) + OH (aq) Kw=1.0 x 10 14 What is
2 answers
asked by
Frank
1,051 views
The equilibrium constant Kc for the following reaction is equal to 0.20 at 250°C. Calculate the equilibrium constant Kp for the
3 answers
asked by
Raskin
776 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
Katie
628 views
Write the expression for Kc and Kp for the reaction
PH3BCl3(s) <==> PH3(g) + BCl3(g)
3 answers
asked by
Lindsay
1,374 views
Consider the reaction: 2 SO2(g) + O2(g) ↔ 2 SO3(g). If, at equilibrium at a certain temperature, [SO2] = 1.50 M, [O2] = 0.120
3 answers
asked by
jon
1,334 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