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Equilibrium
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Questions (1,743)
A uniform metre rule balances on a knife edge at the 60cm mark when a weight of 20N is suspended at one end. Calculate the
3 answers
asked by
Sheiyla
177 views
write an equation that describes the equilibrium present in a saturated solution of Cu3(PO4)2
someone please explain to me,
3 answers
asked by
Anonymous
2,223 views
At 760◦C, Kc= 33.3 for the reaction PCl5(g)⇀↽PCl3(g) + Cl2(g) If a mixture that consists of 0.31 mol PCl3 and 0.22 mol Cl2
3 answers
asked by
Melody
1,247 views
a uniform meter rule is pivoted at 20cm mark .
It is balanced when mass of 100gm on 10cm mark and mass of 50 gm on 30 cm mark are
5 answers
asked by
shreya
905 views
A uniform metre rule is balanced at the 35cm mark when a mass of 500g is placed at the 20cm mark .determine the mass of the rule
2 answers
asked by
Mariam
531 views
the 3 forces shown act on a object is in equilibrium. F1= 50N (E 60 degrees N), F2= 60N (E 30 degrees S ) Calculate the
4 answers
asked by
Roya
2,421 views
Solve an equilibrium problem (using an ICE table) to calculate the pH.
a solution that is 0.205 M in CH3NH2 and 0.110 M in
5 answers
asked by
Kyle
8,744 views
A uniform metre rule Mass 80kg is pivoted at the 30cm mark. Find the mass that would be placed at the 50cm mark for the metre
2 answers
asked by
Noeline
113 views
When are equilibrium prices achieved?
A. when demand is greater than supply *** B. when sellers break even C. when supply equals
4 answers
asked by
mockingbird
1,658 views
The equilibrium between three substances, a, B and c is shown below.
A(g) + B(g) C(g) Initially there were 0.1 mol of a and 0.2
4 answers
asked by
Raj
2,842 views
An experiment was carried out to determine the value of the equilibrium constant Kc for the reaction.
Total moles of Ag+ present
6 answers
asked by
Jamba
2,356 views
An equilibrium mixture of the following reaction was found to have [I2]= 0.0325M at 1200 ∘C.
What is the concentration of I ?
4 answers
asked by
Chemistry
2,926 views
Which of the following conditions is always true at equilibrium? deltaG=0, Q=1, K=1, deltaG=deltaG(standard),
7 answers
asked by
Student
9,892 views
1,Aclimber Of Mass 80Kg Is On A Steep Rock Face.The Force X That The Rock Exerts On The Climber Is At An Angle Of 50 degree To
31 answers
asked by
Pleas Help Me Pleas!!!
5,088 views
At 1285°C, the equilibrium constant for the reaction
Br2 (gas) <---> 2Br (gas) is Keq= 1.04 X 10^ -3 A 0.200-L vessel containing
5 answers
asked by
Mina
4,847 views
Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B.
4 answers
asked by
raf
7,107 views
At a particular temperature, Kp = 0.490 for the reaction
N2O4(g) = 2NO2(g) A flask containing only NO2(g) at an initial pressure
5 answers
asked by
Nabi
1,007 views
At 25 °C, an aqueous solution has an equilibrium concentration of 0.00147 M for a generic cation, A (aq), and 0.000735 M for a
5 answers
asked by
Jordan
6,893 views
What information does an equilibrium constant give about a reaction?
A. It tells how long it takes the reaction to reach
7 answers
asked by
jessie
9,418 views
If the equilibrium constant for the conversion of isobutane to n-butane is 2.5 what is the value of the equilibrium constant for
4 answers
asked by
Jennifer
1,747 views
The Keq for the equilibrium below is 5.4 × 1013 at 480.0 °C.
2NO (g) + O2 (g) ↔ 2NO2 (g) What is the value of Keq at this
4 answers
asked by
DrewS
10,142 views
Use the data in the table to calculate the equilibrium constant for the following reaction.
HCOOH(aq)+ OH −(aq) equilibrium
4 answers
asked by
Dani
3,236 views
A meter rule is balanced horizontally on a mass of 30kg hung 20cm from one end. If the position of the knife edge is 18cm from
5 answers
asked by
Maryann
1,627 views
How does adding NH3 to the reaction below affect the equilibrium of the reaction?
N2 (g) +3H2 (g) <->2NH3 (g) A. Increasing the
5 answers
asked by
Anonymous
2,526 views
Why does changing the volume of the reaction vessel have no effect on this equilibrium?
CO(g) + Fe3O4(s) <===> CO2(g) + 3FeO(s)
5 answers
asked by
Sammy
2,781 views
A beam having a length of 20 metres is pivoted at its mid point. A 200 newton load is located at a point 5 metres from the right
5 answers
asked by
Danny
1,158 views
The equilibrium constant, Kp, equals 3.40 for the isomerization reaction:
cis-2-butene trans-2-butene. If a flask initially
5 answers
asked by
Bob
7,443 views
When solid NH4HS and 0.28 mol NH3(g) were placed in a 2 L vessel at 24◦C, the equilibrium NH4HS(s)⇀↽NH3(g) + H2S(g)for
4 answers
asked by
Melody
1,497 views
If a 100-g mass was placed at the 25-cm mark, and a 20-g mass at the 10-cm mark, where should a 500-g mass be placed to balance
5 answers
asked by
Lila
5,216 views
Two small pith balls, each of mass m = 11.2 g, are suspended from the ceiling of the physics lab by 1.7 m long fine strings and
4 answers
asked by
bossman
4,547 views
Consider a solution that contains both C5H5N and C5H5NHNO3. (Kb for pyridine, C5H5N, is 4.0 x 10^-4)
(a) Calculate the ratio of
4 answers
asked by
Fred
4,597 views
At high temperature, 0.500 mol of HBR was placed in a 1.00L container where it decomposed to give the equilibrium:
2HBr <==> H2 +
5 answers
asked by
Anonymous
2,538 views
A plank AB 3m long weighing 20kg with its centre of gravity 2m from the end A carries a load of mass 10kg at the end A. it rests
4 answers
asked by
Emmanuel
310 views
the equilibrium constant Kc for the reaction H2 + Co2 to H2O + CO is 4.2 t 1650°C initially .80 mol of H2 and 0.8 mol Co2 are
4 answers
asked by
Tintin
2,192 views
a uniform metre rule of Mass 150g is pivoted at 60cm Mark.cal the mass which when hung at the 85cm Mark will balance
4 answers
asked by
gods time
1,243 views
Hydrogen and carbon dioxide react at a high temperature to give water and carbon monoxide.
H2(g) + CO2(g) --> H2O(g) + CO(g) (a)
7 answers
asked by
Rachel
2,379 views
For a system where:
NH2OH + CH3NH3+ --> CH3NH2 + NH3OH+ 95% 95% 5% 5% State of equilibrium in the system is described by the
4 answers
asked by
Meenaakshi
3,241 views
A uniform half metre rule is freely pivoted at the 20cm mark and it balances horizontally when a weight of 10N is suspended at
3 answers
asked by
Victor
600 views
Calculate the pH of a 0.033 M solution of sodium ascorbate, Na2C6H6O6. For ascorbic acid, H2C6H6O6, Ka1 = 7.9 × 10-5 and Ka2 =
6 answers
asked by
Is my answer right?
2,660 views
the standard free energy change for a chemical reaction is +13.3 kj/ mol. What is the equilibrium constant for the reaction at
3 answers
asked by
nurcan
1,699 views
the equilibrium system shown below was analyzed and the concentrations of HI(g, and I2(g) were found, in mol/L, to be 4.4, 3.2,
3 answers
asked by
nicole
1,581 views
True or False? An equilibrium constant K_c=1x10^7 for a reaction indicates that the reaction favors product formation.
3 answers
asked by
Sheila
1,728 views
Iron(III) oxide can be reduced by carbon monoxide.
Fe2O3(s) + 3CO(g) 2Fe(s) + 3CO2(g) Use the following thermodynamic data at 298
3 answers
asked by
Bea
1,446 views
A uniform metre rule of mass 90g is pivoted at the 40cm mark. If the rule is in equilibrum with an unknown mass, M placed at the
3 answers
asked by
Richard
1,218 views
A uniform metre rule of mass 90g is pivoted at the 40cm mark. If the rule is in equilibrium with an unknown mass market placed
1 answer
asked by
Anonymous
810 views
2.2 M solution of hydrocyanic acid, HCN, at 25°C. pKa=9.21 at 25°C. Find the concentrations of all species present in the
1 answer
asked anonymously
23 views
The base dissociation equilibrium constant (Kb) for C5H5N is 1.40×10-9 (eq. 1).
(eq. 1): C5H5N(aq) + H2O(l) = OH-(aq) +
3 answers
asked by
sparkle
4,425 views
A uniform bar of mass 12 kg and length 1.4 m is held by a hinge on a vertical wall. A string is attached to the end so that the
2 answers
asked by
Anon
1,253 views
the contact process prepares purest form of sulphuric acid
2so2+o2=2so3 calculate its kp if following concentrations are found at
4 answers
asked by
Arooj
1,162 views
two halves of a round homogenous cyl inder are held together by a thread wrapped round the cylinder with two weights m are
1 answer
asked by
abhijit
447 views
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