HESI A2 Chemistry (V1 & V2) – Practice Questions and Answers

HESI A2 CHEMISTRY (V1 & V2)


If a hydrogen is in a compound, what would its oxidation number be -
ANSWER +1


What is the oxidation number for any SIMPLE ion - ANSWER +1 or -1
depending on the charge of the ion


How many kilograms are in a pound - ANSWER 0.45


What is the temperature for freezing point of water in Celsuis - ANSWER
0 degrees


What is teh conversation of celsius to fahrenheit - ANSWER 0C = 32F


What is the oxidation number of an element atom - ANSWER 0


What is the freezing point of sea water in fahrenheit - ANSWER 0F


How many amino acids are in a dipeptide - ANSWER 2

, If oxygen is in a compound, what would its oxidation number be -
ANSWER -2


Which of the following pH values would lemon juice likely have -
ANSWER 2


What is a pentose - ANSWER 5 carbon sugar


What is the oxidation state of the sulfur atom in sulfuric acid (H2SO4) -
ANSWER 6


How many neutrons does carbon 14 have - ANSWER 8


How many protons does potassium have - ANSWER 19


How many amino acids are essential for human life - ANSWER 20
amino acids


0 K is equal to ____ C - ANSWER -273


What does amphoteric mean - ANSWER a substance that can act as a
acid or base