Ch 15: Equilibria of Other Reaction Classes

precipitate forms

CaCl2 is dissolved in water, you add NaOH, what happens?

precipitation

the formation of a solid

K>1

CaCl2 is dissolved in water, you add NaOH, what is the K for the rxn?

Ca2+(aq)+2OH-(aq) → Ca(OH)2(s)

CaCl2 is dissolved in water, you add NaOH. write the reaction

K«1

CaCl2 is dissolved in water, you add NaOH, what is the K for the reverse reaction

solubility product constant

what is Ksp?

saturated

at equilibrium, the solution is ___ w/ dissolved ions

0.006M

what is the value of x in the following equation: Ksp=[Sr2+][CrO42-]=3.6×10^-5 @25 C

less, left

BaSO4(s) <=> Ba2+(aq) + SO42-(aq)

solubility in 0.10 Na2SO4 must be ___ than in pure water, the presence of SO42- will drive equilibrium ____

left

BaSO4(s) <=> Ba2+(aq) + SO42-(aq)

if you add H2SO4 to the beaker, which way will the reaction shift?

right

BaSO4(s) <=> Ba2+(aq) + SO42-(aq)

if you add HNO3 to the beaker, which way will the reaction shift?

bronsted lowery acid

hydrogen ion donor

bronsted lowery base

hydrogen ion acceptor

lewis acid

electron-pair acceptor

lewis base

electron-pair donor

electrophile

another name for lewis acid

nucleophile

another name for lewis base

BF3

BF3+NH3→BF3NH3, what is the lewis acid?

NH3

BF3+NH3→BF3NH3, what is the lewis base?

BNF3H3

BF3+NH3→BF3NH3, what is the lewis acid-base adduct?

Ni2+

Ni2+ + 6NH3 → Ni(NH3)62+, what is the electrophile?

6NH3

Ni2+ + 6NH3 → Ni(NH3)62+, what is the nucleophile?

Ni(NH3)62+

Ni2+ + 6NH3 → Ni(NH3)62+, what is the lewis acid-base adduct?