41 Answered Questions for the topic Equilibrium

12/17/19

What is the pressure of the C2H5OH vapor at 650k before it decomposes?
92.5kj + C2H5OH<->H2+CO +CH4 A 15.50-gram sample of C2H5OH liquid is placed into a 4.50-liter flask and heated to 650.0 k. The sample is vaporized, and then begins to decompose. What is the... more
Follows • 2
Expert Answers •1

12/17/19

What is the equilibrium reaction for stomach acid (can be with food or medicine)?

I am doing an assessment and need to find a correlation between stomach acidity and medicine and then relate this to an equilibrium reaction / constant. If anyone has any ideas would be extremely... more
Follows • 2
Expert Answers •1

10/27/19

Equilibrium Question
Consider the reaction: A(aq) ---> 3B(aq) Kc= 1.28x10^-6 at 500KIf a 2.70M sample of A is heated to 500K, what is the concentration of B at equilibrium?
Follows • 1
Expert Answers •1

08/02/19

When a ball is tossed straight up, does it experience momentary equilibrium at top of its path?
This question has been asked many times all over the Internet and answers can be found on places such as yahoo and ask.com, but I'm not satisfied with those answers and I don't trust the validity... more
Follows • 1
Expert Answers •1

04/16/19

which of the following statements are true about equilibrium systems?
 True False  For the following reaction at equilibrium:                      CaCO3(s) ⇌ CaO(s) + CO2(g)                      adding more CaCO3 will shift the equilibrium to the... more
Follows • 1
Expert Answers •1

03/02/19

What is the pressure of BrCl in an equilibrium mixture of Cl2, Br2, and BrCl if the pressure of Cl2 in the mixture is 0.115 atm and the pressure of Br2 in the mixture is 0.450 atm?
What is the pressure of BrCl in an equilibrium mixture of Cl2, Br2, and BrCl if the pressure of Cl2 in the mixture is 0.115 atm and the pressure of Br2 in the mixture is 0.450 atm? Kc=4.7*10^-2
Follows • 1
Expert Answers •1

02/13/19

Chemistry Reaction Equilibrium help??
0.7 mol of A(g), 0.5 mil of B(g), 0.4 mol of C(g) and 0.9 mol of D(g) were placed in a one litre vessel and allowed to come to equilibrium according to the following equation : A(g) + B(g) ⇔ C(g) +... more
Follows • 1
Expert Answers •1

11/24/18

Are the following aspects of a catalyzed reaction different from the uncatalyzed reaction?
Are these aspects different in a catalyzed reaction?1. The mechanism2. ΔE rxn3. The overall equation
Follows • 2
Expert Answers •1

11/02/18

Equilibrium question
Consider the reaction N2O4 (g)---------2NO2 (g).(reversible). If 0.2 is the degree of disassociation , starting with 2.0 moles of N2O4 , the total number of moles at equilibrium would be?
Follows • 2
Expert Answers •1

11/02/18

A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of the CO2 is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of Kp is?
Follows • 2
Expert Answers •1

11/02/18

Equilibrium question
Te disassociation equilibrium of a gas AB2 can be represented as: 2AB2(g)---------2AB(g) + B2(g) . The degree of disassociation is 'x' and is small compared to 1. The expression relating the degree... more
Follows • 1
Expert Answers •1

10/06/18

how is Fe{3+} affected when you ADD HPO4{2+}?
Solution: Fe{3+}(aq) + SCN{-}(aq) —> Fe(SCN){2+}(aq)I know that the color gets clear when you add HPO4{2+}, but I don’t know why.
Follows • 2
Expert Answers •1

09/11/18

What is the maximum concentration of silver ions that can be present in a 2.0 x 10^-3 M sodium chloride solution?
How would this question be approached? 
Follows • 2
Expert Answers •1

07/22/18

Hb(aq) + O 2(g) ↔ HbO 2(aq)
I am asked to write an equilibrium expression, and to include the term pO2 for the oxygen gas term. 
Follows • 2
Expert Answers •1

01/23/18

Calculating constant equilibrium
how do you calculate the constant equilibrium if what's known is ONLY the initial concentration of cC and dD aka the products.    Using the ice table how do you determine what the Keq if the... more
Follows • 2
Expert Answers •1

01/07/18

equilibrium shift using haber process
Using the Haber process (produces NH3 from Nitrogen and hydrogen gas) give 2 situations which would shift the equilibrium to the right and give 2 examples/situations which would shift the... more
Follows • 2
Expert Answers •1

12/29/17

Why is the Kd equation Kd=Koff/Kon instead of K=Kon/Koff?
Lets say a general equation for enzymes is E+S<-->ES<-->E+P, and an expression for the Kd of the enzyme is Kd=[E]+[S]/[ES]. Most K expressions are [Products]/[Reactants], right? In the... more
Follows • 2
Expert Answers •1

10/30/17

Can an irreversible reaction be a reversible reaction
Can a reversible reaction be an irreversible reaction and an irreversible reaction be a reversible reaction
Follows • 2
Expert Answers •1

12/28/16

I have doubt in derivation of the relation between Ka and Kb in ionic equilibrium topic
While deriving the relation between Ka and Kb in ionic equilibrium topic, say I take an example of NH4+ + H2O ----> NH3 + H3O+ ......(1)Ka of this reaction is : [NH3][H3O+]/[NH4+][H2O]Now NH3 is... more
Follows • 2
Expert Answers •1

11/08/16

CHEMICAL EQUILIBRIUM DOUBTS
4 moles of PCl5 are heated in a closed container of 4 dm3 container at 400 k. At equilibrium, 50% of PCl5 is dissociated. What is the value of Kc for the dissociation of PCl5 into PCl3 and Cl2 at... more
Follows • 2
Expert Answers •1

10/30/16

equilibrium of turning moments
https://postimg.org/image/m5vobypg3/
Follows • 2
Expert Answers •1

09/22/16

Why doesn't NaCl and HCl have the same effect on an equilibrium reaction
Recently in my AP Chem class we did a simple reaction demonstrating equilibrium: [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) <--> [CoCl4]2-(aq)(blue) + 6H2O(l) (in an ethanol solution). The reaction... more
Follows • 2
Expert Answers •1

04/10/16

How do I calculate the equilibrium constant from Delta G?
Carbon disulfide is a foul-smelling solvent that dissolves sulfur and other nonpolar substances. It can be made be made by heating sulfur in an atmosphere of methane.For the reaction below, Delta... more
Follows • 1
Expert Answers •1

03/16/16

How do I work out the molarity and equilibrium constant using moles of reactants?
The equation is C2H5OH(aq) + CH3CO2H(aq) ? CH3CO2C2H5(aq) + H2O(l)   Moles of ethanol: 0.0747 Moles of ethanoic acid: 0.0112   amount of ethanol used in experiment: 4cm3 amount of ethanoic... more
Follows • 2
Expert Answers •1

02/21/16

Equilibrium Constant
The basic question I am asking is how does varying the initial concentrations of reactant(s) in a chemical reaction affect the equilibrium constant. What I have so far is:   Using this basic... more
Follows • 2
Expert Answers •1
1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.