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Chemical Equilibrium
Page 2
Questions (1,136)
A solution of HNO2 is at equilibrium:
HNO2(aq) + H2O(l) ⇔ H3O+(aq) + NO2-(aq) Water is added. After the water is added, is
4 answers
asked by
Tommy
1,471 views
IM SO CONFUSED PLEASE HELP!
H2 +CO2-->H2O + CO When H2 is mixed with CO2 at 2,000K, equilibrium is achieved according to the
7 answers
asked by
linds
1,425 views
Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3.
(A) Calculate the equilibrium concentrations of both gases
2 answers
asked by
Frank
628 views
Lead metal is added to 0.150 M Cr3+(aq).
Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is
2 answers
asked by
Sara
836 views
Kp < Kc at 25 degrees C for which of the reactions below?
N2 + 3H2 <-----> 2NH3 2NO <------> N2 + O2 C + O2 <------> CO2 2NOCl
4 answers
asked by
Ken
540 views
How would you identify that dynamic equilibrium is established
2 answers
asked by
Saroosh
51 views
What are the factors affecting the equilibrium
2 answers
asked by
Zainab
129 views
Why catalyst does not affect the equilibrium
7 answers
asked by
Kondwani moyo
131 views
Use Le Chatelier’s principle to explain what would happen if you increased the concentration of Nitrogen at the start of the
2 answers
asked by
Brian Giles
88 views
Explain Le Chatelier’s principle
2 answers
asked by
Brian Giles
116 views
The equilibrium constant, Kp for the reaction PCl5 <---> PCl3 + Cl2 is 1.05 at 250 degrees C. The reaction is started with PCl5,
4 answers
asked by
Ken
4,068 views
A mixture consisting of 1 mol of H2O(g) and 1 mol CO(g) is placed in a 11 L reaction vessel at 800 K. At equilibrium, 0.422 mol
2 answers
asked by
Gabriella
1,007 views
According to Le Chatelier’s principle, which direction will the equilibrium shift if the concentration of the I2 is increased
1 answer
asked by
Kristen
83 views
At equilibrium, how does the concentration of reactants compare to the concentration of products?
The concentrations are
1 answer
asked by
Kristen
78 views
Write down the Ksp expression for CaF2. If the molar solubility of CaF2 at 35℃ is 1.24×10^(-3)mol/dm3, calculate the value of
2 answers
asked by
Chenny
1,247 views
Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following.
a) pH 7.4 b) pH 9.2 c) pH 11.5 ALL
4 answers
asked by
HELP PLEASE
2,464 views
NH3+H2S-->NH4HS
<-- Kc=400 at 35 Celsius what mass of NH4HS will be present at equilbrium? My work NH3 H2S NH4HS initial 2 mol 2
4 answers
asked by
Anonymous
3,744 views
For the system 2SO2(g) + O2(g) <--> 2SO3 (g), change in enthalpy is negative for the production of SO3. At a particular
9 answers
asked by
S
3,499 views
What would happen to the position of equilibrium when the following changes are made to the reaction below ? Hg3O is added to
1 answer
asked anonymously
60 views
At 250ºC, the equilibrium constant Kp for the reaction PCl5(g) PCl3(g) + Cl2(g)is 1.80. Sufficient PCl5 is put into a reaction
3 answers
asked by
viamariam
120 views
calculate the pH of 0.0125M NH3 Kb=1.8x10-5
1 answer
asked anonymously
66 views
A solution has [OH−]
[ O H − ] = 2.1×10−2 M M . Use the ion product constant of water Kw=[H3O+][OH−] K w = [ H 3 O + ] [
4 answers
asked anonymously
74 views
At equilibrium at a certain temperature, the concentration of NzH3(g), H2(g) and N2(g) are 0.980 M, 1.53 M and 0.510,
1 answer
asked by
Yassah Kesselly
57 views
Which of the following is NOT true at equilibrium?
The forward and reverse reactions proceed at the same rate. The concentrations
1 answer
asked by
no
222 views
Which of the following is correct?A dynamic equilibrium can be achieved...
In a closed system. In an open system.
1 answer
asked by
no
185 views
The following factors affect the position of equilibrium EXCEPT:
Concentration Pressure Temperature Catalyst
1 answer
asked by
no
195 views
When the rate of the forward reaction is equal to the rate of backward reaction, the system is said to be in
Chemical Equilibrium
3 answers
asked by
no
128 views
A system is at equilibrium. Which statement is correct?(1 point)
Responses The rate of the forward reaction equals the rate of
1 answer
asked by
deadlygoat55
194 views
How do I construct an ICE table for this question.
CH3COOH + NaOH --> CH3COONa + H2O Fill in the equilibrium line of the table.
4 answers
asked by
Jason
3,695 views
Consider the reaction:
SO2Cl2(g)⇌SO2(g)+Cl2(g) A solution is made containing initial [SO2Cl2]= 0.022M . At equilibrium, [Cl2]=
3 answers
asked by
Chemistry
1,917 views
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
4 answers
asked by
Hannah
802 views
Calculate the hydroxide ion concentration in an aqueous solution that contains 3.50 x 10-3 M in hydronium ion.
3 answers
asked by
asasas
2,617 views
The following reaction:
2SO3 (g) ! 2SO2 (g) + O2 (g) has an equilibrium constant equal to 0.23 M. If the following concentrations
4 answers
asked by
Abby
1,432 views
An equilibrium mixture of the following reaction was found to have [H2] = 0.020 M and [I2] = 0.020 M at 340°C. What is the
3 answers
asked by
Rachel
696 views
Calculate the pH of a solution containing 0.00001 moles of H3O per liter.
3 answers
asked by
Lindsey
1,083 views
6.75 g of SO2Cl2 was placed in a 2.00L flask. At 648 K 0.0345 moles of SO2 was present. Kc for the reaction SO2Cl2 <=> SO2 + Cl2
4 answers
asked by
Ken
1,264 views
Introduced into a 1.50L container is 0.100mol PCl5(g). The flask is held at 227degreesC until equilibrium is established. What
3 answers
asked by
elona
494 views
Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.05 M NaCl. The
4 answers
asked by
Anonymous
2,420 views
The system N2O4 <--->2NO2 maintained in a closed vessel at 60º C & a pressure of 5 atm has an average (i.e. observed) molecular
4 answers
asked by
kriti
4,794 views
At 25.0 degree celcius, the equilibrium 2 NOBr (gas) --> 2 NO (gas) + BR2 (gas) is rapidly established. When 1.10 g of NOBr is
2 answers
asked by
Angela
669 views
At a certain temperature, Kc = 0.914 for the reaction
NO2 (g) + NO (g) <----> N2O (g) + O2 (g) Equal amounts of NO and NO2 are to
4 answers
asked by
Anonymous
2,064 views
The equilibrium constant for the conversion of cis-stilbene to trans-stilbene is Kc = 24.0 at 200 C. If cis-stilbene is placed
4 answers
asked by
Elleni
1,650 views
Consider the following reaction:
CO(g)+2H2(g)⇌CH3OH(g) An equilibrium mixture of this reaction at a certain temperature was
7 answers
asked by
jessicaCC
7,001 views
Ca(OH)2 has a Ksp of 6.5×10−6.
If 0.370 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to
4 answers
asked by
Darcy
3,836 views
What is [Al(H2 O)5(OH)2+] in a 0.15-M solution of Al(NO3)3 that contains enough of the strong acid HNO3 to bring [H3O+] to 0.10
4 answers
asked by
Grant
3,014 views
Determine the [OH−] of a solution that is 0.130 M in CO32− (Kb=1.8×10−4).
Determine the pH of a solution that is 0.130 M
9 answers
asked by
trump
5,962 views
NH3(aq)+H2O(l)⇄NH4+(aq)+OH−(aq)
Kb=1.8×10−5 at 25C Initial [NH3] | Equilibrium [NH4+] | Equilibrium [OH−] | pOH 0.15 |
5 answers
asked by
...
4,733 views
At a certain temperature, the equilibrium constant for the following chemical equation is 2.00. At this temperature, calculate
4 answers
asked by
Dee
3,602 views
For the reaction below, Kc = 0.154 at 2000 K.
2 CH4(g) ⇌ C2H2(g) + 3 H2(g) A 0.750 L equilibrium mixture at 2000 K contains
4 answers
asked by
kevin
2,271 views
The Ksp of calcium hydroxide, Ca(OH)2, is 4.68 x 10-6 at 289.15K. Calculate the pH of a saturated solution.
Here's my work: 4.68
4 answers
asked by
Mandy
3,047 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Inorganic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry
Thermodynamics