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Equilibrium
Page 7
Questions (1,743)
Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10–20, in 0.52 M NH3. Don't forget to use the complexation reaction
4 answers
asked by
Erin
1,627 views
When solid CO2 (dry ice) is allowed to come to equilibrium in a closed constant volume container at room temperature (300K),
1.
7 answers
asked by
Douglas
2,485 views
A 30 N fishing pole is 2.00 m long and has its center of gravity .350 m from the heavy end. A fisherman holds the end of the
5 answers
asked by
Jennifer
1,657 views
Consider the following equation:
N2O4(g)+ 2NO2(g) Kc= 5.8 x 10^-3 If the initial concentration of N2O4(g)= 0.040 M and the
4 answers
asked by
Jim
2,245 views
A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is
4 answers
asked by
Kent
1,305 views
A floodlight with a mass of 20.0 kg is used to illuminate the parking lot in front of a library. The floodlight is supported at
4 answers
asked by
Jessica
2,548 views
The equilibrium constant for the reaction of bromine and chlorine to form bromine chloride under certain conditions is 4.7x10-2.
4 answers
asked by
Dan
1,172 views
A meter rule is placed horizontally at a fixed point while mass are suspended at both right and left hands of the ruler from the
3 answers
asked by
Zara
266 views
A uniform metre rule is ab is pivoted 30cm from end a. It balances horizontally when a weight of 5n is hug at a.calculate the
4 answers
asked by
Womoli
478 views
Which statement explains what it means for a chemical reaction to be at equilibrium?
Answer: B Two substances are dissolved in
5 answers
asked by
Emrys
1,502 views
A metre rule is balanced on a knife edge at 55cm mark when a mass of 40g is hung from 95cm maqrk. Find the mass of the ruler?
4 answers
asked by
Lawan
709 views
Iron (III) ions form a complex with thiocyanate according to the equation
Fe^3+(aq) + 6 SCN-(aq) ⇄ Fe(SCN)6 ^3-(aq) Kf =
4 answers
asked by
Amy
765 views
A uniform metre rule of Mass 120g is pivoted at 60cm Mark. At what point on metre rule should a mass of 50g be suspended for it
10 answers
asked by
G. Jonathan
3,213 views
Zinc fluoride (ZnF2) dissociates according to the following equation:
ZnF2(s) ⇌ Zn2+(aq) + 2F–(aq) Ksp of this equilibrium is
4 answers
asked by
Summer
2,436 views
At a certain temperature, 0.885 mol of N2, and 2.654 mol of H2 are placed in a container.
N2+3H2=2NH3 At equilibrium, there is
4 answers
asked by
Ashley
1,885 views
Carbon monoxide and chlorine gas react to form phosgene:
CO(g)+Cl2(g)⇌COCl2(g) Kp = 3.10 at 700 K If a reaction mixture
4 answers
asked by
Morgan
2,481 views
Find the equilibrium constant.
1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific
3 answers
asked by
Anonymous
1,846 views
Consider the heterogeneous equilibrium process shown below.
C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is
4 answers
asked by
Alan
1,972 views
At 900.0K, the equilibrium comstant (kp) for the following reaction is 0.345
2SO2 (g) + O2 (g) yields 2SO3 (g) At equilibrium the
4 answers
asked by
Robby
2,415 views
A 0.100 mol sample of H2S is placed in a 10.0 L reaction vessel and heated to 1132°C. At equilibrium, 0.0285 mol H2 is present.
4 answers
asked by
Linda
3,249 views
two forces 20N each are inclined at 100 degree to each other.find the single force that will; replace the given force system
4 answers
asked by
rezny
658 views
A 2.40 kg block is in equilibrium on an incline of 36.3� degrees.
The acceleration of gravity is 9.81 m/s2 . What is Fn of the
4 answers
asked by
Anonymous
984 views
Predict how changes effects equilibrium for N2(g) + 3H2(g) -----> 2NH3(g) + heat
a. add heat b. remove heat c. add NH3(g) d.
4 answers
asked by
Boo Boo
1,257 views
The value of Keq for the equilibrium
H2 (g) + I2 (g) ↔ 2 HI (g) is 794 at 25 °C. What is the value of Keq for the equilibrium
4 answers
asked by
Josh G.
4,407 views
At 23°C, Kp = 0.075 for the equilibrium:
NH4HS (s) ↔ NH3 (g) + H2S (g) A sample of solid NH4HS is placed in a closed vessel
4 answers
asked by
Nicole
6,097 views
Q 1: which of the following conditions occur when an object is in static equilibrium ? (can be more than one option)
a. net force
4 answers
asked by
Lilly
1,926 views
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has
6 answers
asked by
Miaow
8,712 views
In the industrial synthesis of ammonia, the equilibrium constant expression may be written as: Keq= [NH3]^2/[N2][H2]^3
Calculate
4 answers
asked by
Chemistry Chick
3,445 views
A thin 2kg box rests on a 6kg board 50cm long with 20cm hanging off the edge of a table. How far can the center of the box be
4 answers
asked by
Dan
4,691 views
If a saturated solution prepared by dissolving solid BaSO4 in water has [Ba2+]= 1.04*10^5M, what is the value of Ksp for BaSO4?
4 answers
asked by
Melissa
1,463 views
A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil
4 answers
asked by
Jazmin
1,492 views
Consider the following equilibrium:
Mg(OH)2 (s) <--> Mg 2+ (aq) + 2OH-(aq) What happens to the amount of solid Mg(OH)2 when some
4 answers
asked by
sh
2,089 views
Two substances are combined and react. After 10 minutes, the chemical reaction has reached equilibrium. Which values would be
5 answers
asked by
Kindred spirit
1,681 views
Two forces 4n and 5n act on a body in direction due north and due east respectively calculate their equilibria ( physics)
6 answers
asked by
Anonymous
532 views
The equilibrium concentrations for the reaction below were found to be [AgNO3] = 0.0070 M and [Cu(NO3)2] = 0.48 M at a certain
5 answers
asked by
Anonymous
1,429 views
A uniform half metre rule is freely pivoted at the 15 cm mark and it balances horizontally when a body of mass 40g is hung from
4 answers
asked by
Iman
1,864 views
If the supply function for a company is p = q^2 + 8q +16 and the demand function is p = -3q^2 + 6q + 36. Find the equilibrium
3 answers
asked by
Mike
1,335 views
Consider the reaction:
A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each of the different values of Kp.
3 answers
asked by
Chris
1,704 views
Calculate the solubility of copper(II) sulfide in a solution that is 0.150 mol L^-1 in NaCN.
I am very confused on what to do.
5 answers
asked by
Karla
1,963 views
You are constructing a mobile out of 5 identical toy helicopters, each of mass m = 25.3 g, 4 identical sticks (each length l =
4 answers
asked by
BK
3,835 views
Hydrogen iodide reacts with itself to give hydrogen and iodine. The equilibrium constant is about
2.0 x 10─3 at a particular
3 answers
asked by
alex
1,744 views
the standard free energies of formation of SO2(g) and SO3(g) are -300.4 and -370.4kJ mol-1 respectively. Calculate the value of
4 answers
asked by
harry
908 views
Zn^2+(aq) + 2OH^-(aq) ----> Zn(OH)2(s)
a) how the addition of HCl affects the equilibrium? my answer is it will shift to the
4 answers
asked by
tracy
2,439 views
Fe(s) + H2O(g)<-> FeO(s) + H2(g)
Calculate K for the above reaction, using the information which follows. H2O(g) + CO(g)<-> H2(g)
4 answers
asked by
antonio
3,597 views
for the reaction system H2 + X2 <->2HX Kc = 24.4 at 300 K a system made up fron these components which is at equilibrium
7 answers
asked by
HELPP
2,790 views
The meter stick in the drawing can rotate about an axis located at the 20.0-cm mark. The axis is perpendicular to the screen. A
4 answers
asked by
alice
4,801 views
1.2 mol of CH3OH(g) are injected into a 2.0 L container and the following equilibrium becomes established.
2H2(g) + CO(g) <=====>
5 answers
asked by
Jess
2,034 views
Which action(s) will decrease the equilibrium concentration of a non-reacting gas in water?
1. decreasing the temp. of the water
4 answers
asked by
Joe
2,424 views
Two window washers, Bob and Joe, are on a 3 m long, 345 N scaffold supported by two cables attached to its ends. Bob, who weighs
4 answers
asked by
Anonymous
1,994 views
9. Cobalt ions form complex ions with water and chloride as shown in the reaction. The left side of the reaction is pink, and
4 answers
asked by
Tommy Tucker
991 views
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