If a reaction has a negative ΔG, it is:
CHM-360 Quiz 1-2

Quiz
•
Biology
•
University
•
Easy

Edel Odowaay
Used 2+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
a) Nonspontaneous and endergonic
b) Spontaneous and exergonic
c) Nonspontaneous and exothermic
d) Spontaneous and endergonic
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is NOT a type of work performed in living systems?
a) Osmotic
b) Chemical
c) Mechanical
d) Static
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Which of the following best describes coupled reactions?
a) A reaction where energy is used up without any output.
b) A reaction where a non-spontaneous reaction is driven by a spontaneous one.
c) A reaction where two reactions occur independently.
d) A reaction that always results in heat production.
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
The molecule acting as the reducing agent in the following reaction is:
Glucose+ NAD+→ Pyruvate+ NADH
a) Glucose
b) NAD⁺
c) NADH
d) Pyruvate
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
In redox reactions, oxidation refers to:
a) Gaining electrons
b) Losing electrons
c) Increasing hydrogen atoms
d) Becoming more negatively charged
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
The Henderson-Hasselbalch equation is used to calculate:
a) The equilibrium constant of redox reactions
b) The solubility of a solute
c) The pH of a buffer solution
d) The standard free energy change
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If a buffer solution has a pKa of 6.4 and the ratio of conjugate base to acid is 10:1, the pH is:
a) 5.4
b) 6.4
c) 7.4
d) 8.4
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