CHEM 104 Exam 9 Questions and Answers Verified Solutions Latest Update 2026/2027

CHEM 104 Exam 9 Questions and
Answers Verified Solutions Latest Update
2026/2027


Question:
A acid is a proton _______________?

Answer:
Donator


Question:
A base is a proton _____________?

Answer:
Acceptor


Question:
Acid ionization involves what?

Answer:
The donation of an acidic proton to water to produce hydronium ions Which of these would be
considered acid ionization?
A. H2O+NH−2■−−■OH−+NH3
B. H2O+H2PO−4■−−■H3PO4+OH−


Question:
C. CN−+H2O■−−■OH−+HCN
D. PH+4+H2O■−−■PH3+H3O+

Answer:

,D


Question:
Term for a substance able to act as either an acid or a base by any definition

Answer:
Amphoteric


Question:
According to the 2nd law of thermodynamics the ______________ of a closed system never
decreases

Answer:
Entropy


Question:
A measure of a solution concentration defined as nsolute/Vsolution is called the

Answer:
Molarity


Question:
The units of the rate of a chemical reaction are

Answer:
M/s


Question:
The time required for a reactant to decrease to half of its original concentration is called a

Answer:
Half life

, Question:
The arrhenius equation specifies the _____________ dependence on the rate of a constant

Answer:
Temperature


Question:
The notion that at equilibrium the rate of forward reaction equals that of the reverse reaction is
called _________Equilibrium

Answer:
dynamic


Question:
The equation giving the concentration of an equilibrium is the law of _________ _____________

Answer:
Mass action


Question:
Le Chatelier's principle states that a chemical system at equilibrium _________ an imposed change

Answer:
Counteracts


Question:
In the context of the bronsted-lowry definition a base is a

Answer:
proton acceptor


Question:
At 25 ' C the ion product of water (KW) has the value of 10