Dynamic Equilibrium

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Questions

• How does temperature affect dynamic equilibrium?
• Why is dynamic equilibrium important for living organisms?
• What is dynamic equilibrium?
• What are some common mistakes students make with dynamic equilibrium?
• Can dynamic equilibrium be disrupted?
• How does concentration effect dynamic equilibrium?
• How is dynamic equilibrium related to vapor pressure?
• Is homeostasis a type of dynamic equilibrium?
• Is the concentration of reactants equal to the concentration of products in a dynamic equilibrium?
• Once dynamic equilibrium is established, will it shift if additional reactants are added?
• Why is chemical equilibrium dynamic?
• What is the difference between homeostasis and dynamic equilibrium?
• Does a reaction cease when it reaches dynamic equilibrium?
• What is necessary for a chemical reaction to reach dynamic equilibrium?
• Which quantities are equal in a dynamic equilibrium?
• What is the difference between a reversible reaction and a dynamic equilibrium?
• What is static equilibrium in chemistry?
• Question #294bf
• In the reaction of nitrogen and hydrogen how is ammonia produced even though the reaction is reversible?
• How is equilibrium related to Gibbs' free energy?
• Question #1e7c6
• Question #97f87
• Question #6d7ac
• Question #2c900
• Question #7f43b
• Excess PbBr2(s) is placed in water at 25 C. At equilibrium, the solution contains 0.012 M Pb 2+(aq). What is the equilibrium constant for the following reaction? PbBr2(s) --> Pb2+(aq) + 2Br-(aq)
• At a particular temperature a 2.00-L flask at equilibrium contains 2.80 10-4 mol N2, 2.50 10-5 mol O2, and 2.00 10-2 mol N2O. How would you calculate K at this temperature for the following reaction: 2 N2(g) + O2(g) --> 2 N2O(g)?
• What are the 3 types of equilibrium?
• What is the difference between #"chemical and physical equilibria"#?
• I2 + Cl2 →2ICl Kp=81.9. A reaction mixture initially P(I2)=P(Cl2)=P(ICl)= 0.1 atm. How to determine the direction of the reaction will proceed?
• Question #fd4b2
• Would you expect a dynamic equilibrium in a liquid in an open container?
• Question #47dc1
• Question #61e40
• For the equilibrium reaction X + y -> XY, the rate of the forward reaction at equilibrium is equal to 1.75 sec^(-1). What is the rate of the reverse reaction?
• What is the molar solubility of #AlPO_4#?
• What would happen to a system at equilibrium if the temperature were changed?
• If a condition, such as the temperature, concentration or pressure, of a chemical reaction in equilibrium is changed, what happens to the equilibrium?
• In the reaction #SO_2Cl_2 harr SO_2 + Cl_2#, heat is evolved. What happens when chlorine (#Cl_2#) is added to the equilibrium mixture at constant volume?
• If a reaction system has come to equilibrium, the concentration of products can be increased by doing what?
• A reaction mixture initially contains 2.8 M #H_2O# and 2.6 M #SO_2#. How do you determine the equilibrium concentration of #H_2S# if Kc for the reaction at this temperature is #1.3 xx 10^-6#?
• Ammonia is produced via #N_2 (g) + 3H_2 rightleftharpoons 2NH_3 (g)#. During the production process, the production engineer determines the reaction quotient to be Q = #3.56xx10^-4#. lf K= #6.02xx10^-2#, what can be said about the reaction?
• What determines when a system reaches equilibrium? What observations can be made about a system once equilibrium has been established?
• For the reaction #"N"_2"O"_4(g) rightleftharpoons 2"NO"_2(g)#, at what temperature does #K_c# numerically equal #K_p#?
• When does chemical equilibrium result?
• After the second equilibrium was reached a student added an unknown amount of HBr gas. He found that the concentration of H2 gas at equilibrium increased by 0.050 M. How much HBr gas did the student add to the system?
• Imagine that the system is allowed to come to equilibrium. How would each of the following changes affect the equilibrium? Indicate whether the change would favor the formation of more products, more reactants, or would not lead to any change?
• What is the equilibrium concentration of Cl2in a 100 liter vessel containing o.235 mole of PCI5 and 0.174 mole of PCI3?
• For the reactions system #2H_2(g) + S_2(g) rightleftharpoons 2H_2S(g)#, a 1.00 liter vessel is found to contain 0.50 moles of #H_2# 0.020 moles of #S_2#, and 68,5 moles of #H_2S#. How do you calculate the numerical value of the Keq of this system?
• What are the acids in this equilibri reaction? #CN^- + H_2O rightleftharpoons HCN + OH^-#?
• For the reaction, #K_c = 0.513# at 500 K. #N_2O_4(g) rightleftharpoons 2NO_2(g)#. If a reaction vessel initially contains an #N_2O_4# concentration of 0.0500 M at 500 K, what are the equilibrium concentrations of #N_2O_4# and #NO_2# at 500 K?
• What is the effect on the position of an equilibrium if a change is made in the concentration of a reactant or product?
• When is equilibrium reached in diffusion?
• Consider this chemical reaction: #H_2(g) + I_2(g) rightleftharpoons 2HI(g)#. At equilibrium in a particular experiment, the concentrations of H2, I2, and HI were 0.15 M, 0.033 M, and 0.55 M, respectively. What is the value of #K_(eq)# for this reaction?
• What type of reaction is this: #HCN + NH_2^(-) rightleftharpoons CN^(-) + NH_3#?
• What is "equal" in a chemical equilibrium?
• Does chemical equilibrium mean that the number of product and reactant molecules are the same?
• When a reaction is at chemical equilibrium, what is true about the forward and reverse reactions?
• Question #377c6
• What is the effect of adding more water to the following equilibrium reaction? #CO_2 + H_2O rightleftharpoons H_2CO_3#?
• Question #2f795
• How does temperature affect equilibrium?
• Question #f80a2
• Question #82d07
• Question #d52d0
• Consider the following equilibrium at 388.6 K: #NH_4HS(s) rightleftharpoons NH_3(g) + H_2S(g)#. The partial pressure of each gas is 0.203 atm. How do you calculate #K_P# and #K_C# for the reaction?
• Consider the following equilibrium: #2H_2(g) + X_2(g) rightleftharpoons 2H_2X(g) + Delta#. What will an addition of #X_2# to this system cause to happen?
• How does #H_3COCH_2CH_2CO_2H# dissociate as an acid?
• Given the following data, how do I find the mols at equilibrium for this reaction?
• 2 moles of H2O(g), 2.6 moles of N2(g), 2.00 moles of H2(g), and 2.00 moles of NO(g) are in equilibrium in a 2 L container. If a second 1L container with 1 mole of H2(g) is combined with the first, what is the initial reaction quotient?
• In dynamic equilibrium, how does the equilibrium constant relate to rate constants?
• Will increasing the amount of one substance in an equilibrium reaction favor the reaction that produces more or less of that substance?
• A chemical reaction always tries to go to completion, one way or the other If there is a way for the reaction to go the reverse direction, what is this process called?
• What is a solution that holds more dissolved solute than is required to reach equilibrium at a given temperature?
• What is the change in free energy of a system at chemical equilibrium?
• In the preparation of CaO from CaCO3 using the equilibrium, CaCO3(s) <------> CaO(s) + CO2(g) Log Kp = 7.282- 8500/T For complete decomposition of CaCO3, the temperature in Celsius is ? A) 1167 B) 894 C) 8500 D) 850
• Question #67d90
• Given the reaction at equilibrium #2SO_2(g) + O_2(g) rightleftharpoons 2SO_3(g)#, as the pressure is increased at a constant temperature, will the number of moles of #SO_3(g)# produced decrease, increase, or stay the same? Why?
• What is the rate of formation of water in its autoionization at #25^@ "C"# if its rate constant is #1.3 xx 10^(11) "L/mol"^(-1)"s"^(-1)#? What is the rate for dissociation of #"0.0010 M"# of #"N"_2"O"_5# if the rate constant is #1.0 xx 10^(-5) "s"^(-1)#?
• How do you calculate the equilibrium concentration of #H_3O+# in a 0.20 M solution of oxalic acid?
• Question #1aa69
• What is #K_a# for #HOCl#, given that initially #[HOCl]=0.08*mol*dm^3#, and #pH=2.85#?
• For #"1.25 M"# of acetic acid (#K_a = 1.8 xx 10^(-5)#), determine the percent dissociation?
• Question #8b799
• Question #2ec5e
• For the reaction H2+I2----2HI Kc is 49. Calculate the concentration of HI at equilibrium when initially one mole of H2 is mixed with one mole of I2 in 2 litre flask.?
• If a reaction is reversible, when can it be said to have reached equilibrium?
• Question #89c43
• Which statement is correct in regard to the thermodynamics of ammonia synthesis...? #N_2(g) + 3H_2(g ) rarr 2NH_3(g)+91.8*kJ#
• Question #1671c
• What is meant by a stress on a reaction at equilibrium?
• How does an equilibrium shifts if product is added to a reaction?
• How do you explain the meaning of this symbol?
• Explain what it means for a system to be in equilibrium. How do we express this in a chemical reaction (give an example)?
• Question #0799c
• Question #799b9
• Question #dd9ca
• Question #cfc3a
• If the equilibrium constant (K) = 100, this reaction favors the (reactants/products) and proceeds (very little/almost to completion). Equilibrium?
• Question #c3b18
• What is the activity of pure water?
• What are the equilibrium concentrations of the dissolved ions in a saturated solution of #Fe(OH)_2# at 25°C?
• Question #b88fc
• If #K_c# at a certain temperature for twice the formation reaction of #"HF"(g)# in a sealed rigid #"10-L"# container is #1.0 xx 10^2#, and one starts with #"1.00 mol"# of each reactant, what are the concentrations at equilibrium for each species?
• Question #7bc94
• Question #6254a
• Question #9a945
• How many mols of #"CO"_2# were added at constant temperature and volume to a #"1-L"# container containing #"0.400 mols"# of #"CO"_2# and of #"H"_2#, and #"0.200 mols"# of #"CO"# and of #"H"_2"O"(g)# (#K_c = 4#) to cause #"CO"_2# to drop to #"0.300 mols"#?
• Question #b2748
• Question #f5a83
• At a certain temperature, #"PCl"_5(g)# decomposes. What are the concentrations of #"PCl"_5# and #"PCl"_3# in a #"3.70-L"# container that begins with #"0.287 mols"# #"PCl"_5(g)# that dissociates? #K_c = 1.80# at this temperature.
• Question #c2cfc
• Question #81dd7
• Question #48597
• Question #d7354
• Equilibrium problem about sulfurous acid?
• Question #32f3d
• Question #d2eaf
• Question #d78b6
• What happens in a dynamic equilibrium exits in a reaction?
• Question #6fe0b
• Question #56dad
• Question #48db7
• Question #5b826
• Question #84ead
• Question #cecb0
• Given #K_c = 0.36# at #2000^@ "C"# for #"N"_2"O"_4(g) rightleftharpoons "NO"_2(g)#, if the initial concentration of #"NO"_2# is #"1 M"#, what are the equilibrium concentrations of #"N"_2"O"_4(g)# and #"NO"_2(g)#?
• If a reaction of sulfur dioxide with dioxygen gas to form sulfur trioxide starts with #"5 mols SO"_2# and #"5 mols O"_2#, and #60%# of the #"SO"_2# was consumed in the reaction, what is the total mols of gas at equilibrium?
• Dynamic equilibrium problem?
• Question #a2062
• Bromophenol blue is an indicator with a #K_a=5.84xx10^(-5)#. What is the #%# of indicator in it's basic form at a #pH=4.84#? Given, #log(5.84)=0.7664# & antilog of #0.6064# is #4.04#. Thank you:)
• Question #bc52a
• What are the factors affecting chemical equilibrium?
• Question #eae43
• Question #62a5a
• Question #7bc48
• What are the partial pressures of #"NO"_2# and #"Cl"_2# at equilibrium?
• Question #c7292
• #3# moles of #"SO"_3# gas are taken in an #"8-L"# container at #800^@"C"#. At equilibrium, #0.6# moles of #"O"_2# are formed. What is the value of #K_c# for #2"SO"_2(g) + "O"_2(g) rightleftharpoons 2"SO"_3(g)# ?
• Question #9ad66
• Question #38276
• Question #a76fd
• Calculate the concentration of silver ions at equilibrium when #"0.5 g"# of #"AgCl"# is placed in #"100 mL"# of water?
• Question #044a6
• A 0.01 M acetic acid solution is 1% ionised. An another acetic acid is 10% ionised. What will be the concentration of another acetic acid?
• An equilibrium mixture in a vessel of capacity #"100 L"# contains #1# mole of #"N"_2#, #2# moles of #"O"_2#, and #3# of #"NO"#. No.of moles of #"O"_2# to be added so that, at new equilibrium, the concentration of #"NO"# is found to be #"0.04 mol/L"#?
• Question #bb890
• Calculate the equilibrium concentration of #"NO"# if the equilibrium concentration of #"N"_2# is #"0.036mol L"^(-1)# and that of #"O"_2# is #"0.0089 mol L"^(-1)# ?
• A solution is a mixture of #"0.05M NaCl"# and #"0.05M NaI"#.The concentration of iodide ion in the solution when #"AgCl"# just starts precipitating is equal to?
• Question #742ba
• Question #cf085
• Question #e0529
• What concentration of #"SO"_3^(2–)# is in equilibrium with #"Ag"_2"SO"_3(s)# and #1.80 * 10^-3# #"M"# #"Ag"^(+)# ? The #K_(sp)# of #"Ag"_2"SO"_3# is #1.50 * 10^–14#
• What is the final concentration of D at equilibrium if the initial concentrations are [A] = 1.00 M and [B] = 2.00 M ?
• Can someone help me with this question?
• The equilibrium constant for the reaction is #49#. What is the equilibrium concentration of #"HI"# if #0.500# mol #"H"_2# and #0.500# mol #"I"_2# were mixed in a #"1.00-L"# container initially?
• What is the #["H"_3"O"^(+)]# concentration of a #"0.318-M"# acetic acid solution?