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Chemical Equilibrium
Page 4
Questions (1,115)
Which statement best explains what would happen if a reactant were added to a system in equilibrium?(1 point)
The system would
10 answers
asked by
bill nye the science guy
5,260 views
The solubility of PbSO4 is 0.048g/1iter. What is the Ksp of PbSO4? (MM PbSO4 = 303.3)
4 answers
asked by
Leaf02
530 views
At 1285 degree C the equilibrium constant for the reactin Br2(g) <> 2Br(g) is Keq= 1.04 * 10^-3. A 0.200 L vessel containing an
4 answers
asked by
Peter
3,829 views
The Ksp for BaCrO4 is 1.2X10-10. Will BaCrO4 precipitate when 10 mL of 1 X10-5M Ba(NO3)2 is mixed with 10 mL of 1X10-3M K2CrO4?
I
4 answers
asked by
suzanne
3,327 views
Refer to the net ionic equation below to answer the following questions:
Co(H2O)6^+2 + 4Cl- <==> CoCl^-2 + 6H2O 1. In what
5 answers
asked by
Sharon
3,232 views
23) The equilibrium constant for the gas phase reaction
2NH3 (g) <-> N2 (g) + 3H2 (g) is Keq = 230 at 300 °C. At equilibrium,
4 answers
asked by
jess
6,315 views
For 2SO2(g)+O2(g)⇌2SO3(g),
Kp=3.0×104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.15 g of SO3 and 0.107 g
5 answers
asked by
whateva
3,416 views
a 20.0-L vessel at 700 K initially contains HI (g) at a pressure of 6.20 atm;at equilibrium, it is found that the partial
4 answers
asked by
robert
919 views
The Ksp value for magnesium carbonate, MgCO3, is 7.2 x 10-6. If 2.50 g of magnesium carbonate is placed in 1.00 x 102 mL of
5 answers
asked by
nic
2,281 views
For the reaction 2A(g) + B(aq) + 3C(l)<------> D(s) + 3E(g), the concentrations at equilibrium are found to be:
A: 2.3x10^3 Pa B:
4 answers
asked by
Ashley
2,456 views
If the equilibrium concentrations are [PCl5] = 1.0M, [Cl2] = 0.10M, what is the equilibrium constant value?
PCl5(g) <---> PCl3(g)
4 answers
asked by
Cathy
2,640 views
At 389K, this reaction has a Kc value of 0.0682. 2X(g) + 2Y(g) <-> Z(g) .. Calculate Kp at 389K. Kp=
this is what I did.. can
4 answers
asked by
Tracy
3,741 views
H2O(g) + CO(g) = H2(g) + CO2(g)
Which of the following statements are true and which are false. a) 1 mol of H2O(g) and 1 mol of
4 answers
asked by
Nabi
1,385 views
H2O(l)+H2O(l) ⇄ H3O+(aq)+OH−(aq)
At 5.0°C, the value of Kw for the equilibrium shown above is 1.9×10−15 and the value of
4 answers
asked by
...
3,986 views
when 8.28g of ethanol were heated with 60g of ethanioc acid 49.74 of acid remain at equilibrium calcuma the value of k
4 answers
asked by
divine
997 views
Calculate the pH of a solution at 25.0 °C that contains 1.94 × 10-10 M hydronium ions.
4 answers
asked by
JOHN
6,233 views
calculate the OH- concentration in (a) 1.0M NH3 and (b) a solution that is 1.0M in NH3 and also 1.0M in NH4Cl. (Kb = 1.8 x 10^-5
4 answers
asked by
Ana
1,796 views
Given the reaction at equilibrium:
BaSO4(s) ↔ Ba2+(aq) + SO42–(aq) BaSO4<--> Ba2+. + SO42- The concentration of SO42– ions
4 answers
asked by
Carolina
4,714 views
What is the value for Kb for the formate anion, HCOO-? Ka(C7H5O2)=2.1x10^-4.
4 answers
asked by
Lyndsay
3,927 views
At a certain temperature, the reaction
CO(g) + 2H2(g) <===> CH3OH(g) has Kc = 0.500. If a reaction mixture at equilibrium
4 answers
asked by
chris
3,270 views
An equilibrium mixture of the following reaction was found to have [COF2] = 0.255 M and [CF4] = 0.118 M at 1000°C. What is the
4 answers
asked by
Rachel
1,651 views
The value of Keq for the following reaction is 0.25:
SO2 (g) + NO2 (g)<~> SO3 (g) + NO (g) The value of Keq at the same
4 answers
asked by
richy
3,493 views
PCl3(g)+Cl2(g)⇄PCl5(g) Kc=0.11
A 0.60mol sample of PCl3(g) and a 0.70mol sample of Cl2(g) are placed in a previously evacuated
4 answers
asked by
...
1,099 views
T (K) [N2] [H2] [NH3] [Kc]
575 0.110M − 0.134M 9.6 Find [H2] at 575 K.
4 answers
asked by
jessicaCC
1,269 views
What is the pH of a 0.1 M NaOCl solution (Ka of HOCl is 2.95 x10-8)
I did: x squared/.10= 2.95x10-8 x squared= 2.95x10-9 x=
4 answers
asked by
Marcus
2,859 views
For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.58 g of SO3 and
4 answers
asked by
Claire
1,180 views
The following system is at equilibrium:
2X(s)+4Y(g)⇌Z(g) Classify each of the following actions by whether it causes a leftward
4 answers
asked by
Peter
3,119 views
Bromine gas is allowed to reach equilibrium according to the equation.
Br2=2Br Kc=0.0011 at 1280°C Initial concentration of br2
6 answers
asked by
han
1,708 views
Re-post
? [H3O+] in 0.15 M C2N2H8 and 0.35 M C2H2H9Cl; Kb= 4.7 x 10^-4
4 answers
asked by
hal
722 views
The decomposition of HI(g) is represented by the equation:
2HI(g) <-> H2(g) + I2(g) Kc= 64 at 25°C. If the equilibrium
4 answers
asked by
Adam
1,058 views
Calculate the concentration of all species in a 0.145 M solution of H2CO3 (Ka1 is 4.3×10−7 and Ka2 is 5.6×10−11).
Calculate
4 answers
asked by
trump
2,134 views
Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for is 1.5 × 10-10 .
4 answers
asked by
Robert
3,419 views
Consider the following equilibrium:
PCl3 (g) + Cl2 (g) yields PCl5 (g) delta H= -92KJ The concentration of PCl3 at equilibrium
4 answers
asked by
Robby
6,125 views
Use activity coefficients to find the concentration of hydrogen ions in a solution of 70.0 mM butanoic acid and 0.1 M NaCl. The
5 answers
asked by
amanda1012
1,567 views
calculate the hydronium ion concentration in an aqueous solution that contains 2.50x10^-6M in hydroxide solution
4 answers
asked by
brittney
5,407 views
The equilibrium constant for the gas phase
reaction N2O4 ⇀↽ 2 NO2 at a certain temperature is K = 0.0466. If the initial
4 answers
asked by
cora
2,567 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.
2BrCl <----> Br2 + Cl2 A solution was prepared with the
3 answers
asked by
Peter
667 views
Dinitrogen tetroxide decomposes according to N2O4 (g) = 2NO2 (g)
In a certain experiment, N2O4(g) at an initial pressure of 0.554
4 answers
asked by
Angel
1,370 views
PCl3(g)+Cl2(g)⇄PCl5(g) Kc=0.11
A 0.60mol sample of PCl3(g) and a 0.70mol sample of Cl2(g) are placed in a previously evacuated
4 answers
asked by
Cynthia
1,612 views
Ca3(PO4)2 has a Ksp = 2.0 x 10-29. What is its molar solubility in 0.1 M H3PO4?
4 answers
asked by
arshly
1,086 views
The Ka of HClO is 3.0x 10^-8 at 25°c. What is the percent ionization of HClO in a 0.015M aqueous solution of HCLO at 25°c?
4 answers
asked by
Zekariyas
1,591 views
The formation constant* of [M(CN)4]2– is 7.70 × 1016, where M is a generic metal. A 0.170-mole quantity of M(NO3)2 is added
4 answers
asked by
Emily
4,169 views
At a certain temperature, the Kp for the decomposition of H2S is 0.813.
H2S (Two wa arrow) H2(g) + S(g) Initially, only H2S is
4 answers
asked by
Janavi
3,581 views
what will happen to bromothymol blue indicator:
a.) after addition of HCl, how does it affects the equilibrium b.) after addition
4 answers
asked by
kacey12
2,220 views
What pH buffer solution is needed to give a Ni2+ concentration of 2.5 x 10-3M in equilibrium with solid nickel hydroxide
4 answers
asked by
Kate
1,074 views
When 0.100 mol of CaCO3 (s) and 0.100 mol of CaO (s) are placed in an evacuated container with a volume of 10.0-L and heated to
3 answers
asked by
Daniel
2,776 views
Consider the reversible reaction: A(g)-2B(g)At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is
4 answers
asked by
Chemistry Chick
1,615 views
Determine the values of Kc that correspond to the following values of Kp
(a) SO2Cl2(g)--->SO2(g) + Cl2(g) Kp= 2.9 x 10^-2 at 303
4 answers
asked by
Shanice
1,230 views
Calculate activities of Ca2+ anf F- and the solubility of flurite in pure water at 25C without regard to possible hydroysis.
4 answers
asked by
moon
749 views
Methanol (CH3OH) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen:
CO (g) + 2H2 (g) -> CH3OH
4 answers
asked by
Anonymous
2,311 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics