Le Chatelier’s Principle
Given the following exothermic reaction which produces a RED product,
Fe3+ (aq) + SCN- (aq) —> Fe(SCN)2+ (aq) + RED
If the reaction is at equilibrium and an additional amount of Fe3+ is added should the red color intensity increase, decrease or remain the same?
What is increase
If we mix Pb(NO3)2 and KCl what solid forms?
What is PbCl2
What is the conjugate base of CH3COOH?
What is CH3COO-
when someone admits to a crime they ______
Who is Hess
What is the capital city of Canada?
What is Ottawa
Given the following exothermic reaction which produces a RED product,
Fe3+ (aq) + SCN- (aq) —> Fe(SCN)2+ (aq) + RED
An increase in the temperature of the system at equilibrium will cause the red color intensity to increase, decrease or remain the same?
What is decrease
What is the balanced net ionic equation for silver phosphate dissolving in water?
What is
Ag3(PO4) —> 3Ag+ + (PO4)-3
What is the conjugate acid of NH3?
What is NH4+
A place where rats live
Who is Brewer
Who painted “Starry Night”?
Van Gogh
If the Q for a reaction is > K the reaction will shift in what direction?
What is left?
What happens if you mix NaNO3 with KCl?
What is no reaction
What is the main characteristic of a species that can act as an Arrhenius base?
What is have lone pair of electrons
Type of pasta typically eaten with marinara sauce and meatballs
Who is Lionetti
In what year was the first iPhone released?
What is 2007
Assume we have the exothermic reaction,
2 A(s) + B(aq) —> 3 C(aq) K = 20
If at equilibrium, we have some solid A and 0.2 M of B, how much C must we have?
What is 1.6 M
If a Ksp for a solid is relatively large would the solid be relatively more or less soluble?
What is more
Which one of the following is not a conjugate acid–base pair?
a. NH3 and NH4+ d. HS– and H2S
b. H3O+ and OH– e. NH3 and NH2–
c. H2PO4– and HPO42–
What is letter b
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Who is Morford
In SpongeBob what animal is Squidward?
What is an octopus
Assume we have the following exothermic reaction,
CO(g) + Cl2(g) —> COCl2(g)
We add a catalyst to lower the activation energy, what direction will the reaction shift?
What is it won’t shift
The Ksp of silver chromate, Ag2CrO4, is 1.9 x 10-12.
How many grams of Ag2CrO4 (MW=331.7 g/mol) will dissolve in 1.0 L of solution?
How about 100 mL?
What is 0.0026 grams
Which of the following compounds cannot be a Brønsted–Lowry base?
a. OH–
b. H2O
c. NH3
d. NH4+
e. SH–
What is d
A type of solid medium made with agar
Who is Brandt
How many dots are on a pair of dice?
What is 42