chemical equilibrium chapter 18 review
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Chemical Equilibrium Chapter 18 Review. JEOPARDY. Keeping Your Balance. Express Yourself. Under Stress. Stressed Out. Soluble. Equilibrium Mixture. Final Jeopardy! #1 #2 Chance of Precipitation. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. - PowerPoint PPT PresentationTRANSCRIPT
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Chemical EquilibriumChapter 18 Review
JEOPARDY
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Keeping Keeping YourYour
BalanceBalance
ExpressYourself
UnderStress
StressedOut
SolubleSoluble
Final Jeopardy! #1 #2 Chance of PrecipitationChance of Precipitation
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
EquilibriumEquilibriumMixtureMixture
100
200
300
400
500
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Keeping Your Balance100
The statement that, at a given temperature, a chemical system may reach a state in which a particular ratio of reactant and product concentrations has a constant value.
A: What is the Law of Chemical Equilibrium?
S2C06 Jeopardy Review
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Keeping Your Balance200
A: What is the equibrium constant?
The name of Keq.
S2C06 Jeopardy Review
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Keeping Your Balance300
A: Who are Cato Guldberg and Peter Waage?
Norwegian chemists who proposed the Law of Chemical Equilibrium in 1864.
S2C06 Jeopardy Review
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Keeping Your Balance400
A: What is > 1?
The value of Keq in equilibria at which the concentration of the products is greater than the concentrations of the reactants.
S2C06 Jeopardy Review
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Keeping Your Balance500
A: What is Keq = [NH3]2/[N2]1[H2]3?
The equilibrium constant expression for the following equilibrium:
S2C06 Jeopardy Review
1N2 (g) 3H2(g)+ 2NH3(g)
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Express Yourself100
A: What is heterogeneous?S2C06 Jeopardy Review
The type of equilibrium the following is:
1CaCO3 (s) 1CaO (s) + 1CO2 (g)
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Express Yourself200
A: What is heterogeneous?
S2C06 Jeopardy Review
The type of equilibrium the following is:
5F2 (g) 1SF4 (g)2S (s) + 1SF6 (g)+
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Express Yourself300
A: What is Keq = [H2O]4/[H2]4?
The equilibrium constant expression for the following equilibrium:
S2C06 Jeopardy Review
4H2 (g) 3Fe (s)1Fe3O4 (s) + 4H2O (g)+
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DAILYDOUBLE!
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Express Yourself400
A: What is Keq = [N2]3[H2O]4/[N2H4]2[NO2]2?
The equilibrium constant expression for the following equilibrium:
S2C06 Jeopardy Review
2NO2 (g) 3N2 (g)2N2H4 (g) + 4H2O (g)+
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Express Yourself500
A: What is 4?
The value of Keq for the following equilibrium, when the [SO3] = 1 M, the [SO2] = 2 M, and the [O2] = 1 M.
S2C06 Jeopardy Review
2SO3 (g) 1O2 (g)+2SO2 (g)
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DAILYDOUBLE!
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Under Stress100
A: What is right? S2C06 Jeopardy Review
For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in concentration ofCarbon monoxide.
3H2 (g) 1CH4(g)1CO(g) + 1H2O (g)+
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Under Stress200
A: What is right?S2C06 Jeopardy Review
For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to the addition of a dessicant which decreases the concentration of water.
3H2 (g) 1CH4(g)1CO(g) + 1H2O (g)+
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Under Stress300
A: What is left?S2C06 Jeopardy Review
For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in temperature.
3H2 (g) 1CH4(g)1CO(g) + 1H2O (g)+
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Under Stress400
A: What is right?S2C06 Jeopardy Review
For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in pressure.
3H2 (g) 1CH4(g)1CO(g) + 1H2O (g)+
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Under Stress500
A: What is left?S2C06 Jeopardy Review
For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in volume.
3H2 (g) 1CH4(g)1CO(g) + 1H2O (g)+
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Stressed Out100
A: What is left?S2C06 Jeopardy Review
For the following equilibrium, which has an endothermic forward reaction, the direction the equilibrium shifts in response to an increase in concentration of water.
4Cl- (aq) 1CoCl4
2-(aq)
+ 6H2O (l)1Co(H2O)62+
(aq)+
Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue)
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Stressed Out200
A: What is blue?S2C06 Jeopardy Review
For the following equilibrium, which has an endothermic forward reaction, the color the purple solution changes to with the addition of concentrated HCl.
4Cl- (aq) 1CoCl4
2-(aq)
+ 6H2O (l)1Co(H2O)62+
(aq)+
Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue)
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Stressed Out300
A: What is blue?
For the following equilibrium, which has an endothermic forward reaction, the color the purple solution should change to with the addition of a dessicant which lowers the concentration of water.
S2C06 Jeopardy Review
4Cl- (aq) 1CoCl4
2-(aq)
+ 6H2O (l)1Co(H2O)62+
(aq)+
Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue)
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DAILYDOUBLE!
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Stressed Out400
A: What is right?
For the following equilibrium, which has an endothermic forward reaction, the direction the equilibrium shifts in response to an increase in temperature.
S2C06 Jeopardy Review
4Cl- (aq) 1CoCl4
2-(aq)
+ 6H2O (l)1Co(H2O)62+
(aq)+
Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue)
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Stressed Out500
A: What is pink?
For the following equilibrium, which has an endothermic forward reaction, the color the purple solution changes to in response to decreased temperature.
S2C06 Jeopardy Review
4Cl- (aq) 1CoCl4
2-(aq)
+ 6H2O (l)1Co(H2O)62+
(aq)+
Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue)
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Soluble 100
A: What is Barium carbonate?
Of Barium carbonate, Copper(II) carbonate, or
Zinc carbonate, the most soluble at 298 K.
S2C06 Jeopardy Review
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Soluble200
A: What is Calcium fluoride?
Of Calcium fluoride, Lead(II) fluoride, or Lead(II) iodide, the least soluble in water at 298 K.
S2C06 Jeopardy Review
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Soluble300
A: What is 1.1 x 10-5 M?S2C06 Jeopardy Review
The solubility of Barium chromate in water at 298 K.
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Soluble400
A: What is 2.3 x 10-6 M?
The [Fe2+] in a saturated solution of Iron(II) hydroxide at equilibrium.
S2C06 Jeopardy Review
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Soluble500
A: What is 3.0 x 10-10 M?
The [OH-] in a saturated solution of Iron(III) hydroxide at equilibrium.
S2C06 Jeopardy Review
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Equilibrium Mixture
100
A: What is NH3?
For the reaction described by the graph below, the product of the forward reaction.
S2C06 Jeopardy Review
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DAILYDOUBLE!
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Equilibrium Mixture 200
A: What is Magnesium carbonate?
The name of the precipitate that will form if 100 mL of 0.100 M MgCl2 solution is mixed with 100 mL of 0.100 M Na2CO3 solution.
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Equilibrium Mixture
300
A: Who is Henry-Louis Le Châtelier?
French chemist who proposed that if a stress is applied to a system at equilibrium, the system will shift in the direction that relieves the stress.
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Equilibrium Mixture 400
A: What is the solubility product constant?
The name of Ksp.
S2C06 Jeopardy Review
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Equilibrium Mixture 500
A: What is greater than the Ksp value?
What the value of Qsp is when a precipitate forms.
S2C06 Jeopardy Review
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Final JeopardyChance of Precipitation
Whether or not a precipitate will form if 100 mL of 0.010 M AgNO3 is added to 100 mL of 0.010 M NaCl:
A: What is yes (Qsp = 2.5 x 10-5)?
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Final JeopardyChance of Precipitation
Whether or not a precipitate will form if 100 mL of 0.010 M Ca(NO3)2 is added to 100 mL of 0.010 M NaOH:
A: What is no (Qsp = 1.2 x 10-7)?