Hesi A2 2025 Chemistry Final Exam Review
questions and answers 2025\2026 latest
update
If a Hydrogen is in a compound, what would its oxidation number be? - n
Ans✔
+1
Qs
What is the oxidation number of any simple ion? - n
Ans✔
+1 or -1 depending on the charge of the ion
Qs
How many kilograms are in a pound? - n
Ans✔
0.453592 kg
Qs
What is the temperature for freezing point of water in Celsius? - n
Ans✔
0 degrees Celsius (32°F for Fahrenheit)
Qs
What is the conversion of Celsius to Fahrenheit? - n
Ans✔
0°C = 32°F
Qs
,What is the oxidation number of an element atom? - n
Ans✔
0
Qs
What is the freezing point of sea water in Fahrenheit? - n
Ans✔
0°F
Qs
How many amino acids are in a dipeptide? - n
Ans✔
2
Qs
If Oxygen is in a compound, what would its oxidation number be? - n
Ans✔
-2
Qs
Which of the following pH values would lemon juice likely have? - n
Ans✔
2 because the lower the pH value, the more acidic
Qs
What is a pentose? - n
Ans✔
A 5 carbon sugar (Pent = 5) (ose = sugar)
Qs
,What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4? - n
Ans✔
6
Qs
How many neutrons does carbon 14 have? - n
Ans✔
8 ( mass# - atomics # = neutrons) 14 - 6 = 8
Qs
How many protons does Potassium have? - n
Ans✔
19
Qs
How many amino acids are essential for human life? - n
Ans✔
20 amino acids
Qs
Normal body temperature in °C? - n
Ans✔
37°C
Qs
Normal body temperature in °F? - n
Ans✔
98.6°F
Qs
, Boiling point of water in °C? - n
Ans✔
100°C
Qs
Boiling point of water in °F? - n
Ans✔
212°F
Qs
0°K is equal to °C? - n
Ans✔
-273°C
Qs
The term Amphoteric means? - n
Ans✔
A substance that can act as both a base & acid
Qs
What is Kelvin based around? - n
Ans✔
Absolute zero
Qs
A compound that is a Hydrogen or proton donor, corrosive to metals, causes blue
litmus
paper to become red and becomes less acidic when mixed with a base is? - n
Ans✔
Acid
questions and answers 2025\2026 latest
update
If a Hydrogen is in a compound, what would its oxidation number be? - n
Ans✔
+1
Qs
What is the oxidation number of any simple ion? - n
Ans✔
+1 or -1 depending on the charge of the ion
Qs
How many kilograms are in a pound? - n
Ans✔
0.453592 kg
Qs
What is the temperature for freezing point of water in Celsius? - n
Ans✔
0 degrees Celsius (32°F for Fahrenheit)
Qs
What is the conversion of Celsius to Fahrenheit? - n
Ans✔
0°C = 32°F
Qs
,What is the oxidation number of an element atom? - n
Ans✔
0
Qs
What is the freezing point of sea water in Fahrenheit? - n
Ans✔
0°F
Qs
How many amino acids are in a dipeptide? - n
Ans✔
2
Qs
If Oxygen is in a compound, what would its oxidation number be? - n
Ans✔
-2
Qs
Which of the following pH values would lemon juice likely have? - n
Ans✔
2 because the lower the pH value, the more acidic
Qs
What is a pentose? - n
Ans✔
A 5 carbon sugar (Pent = 5) (ose = sugar)
Qs
,What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4? - n
Ans✔
6
Qs
How many neutrons does carbon 14 have? - n
Ans✔
8 ( mass# - atomics # = neutrons) 14 - 6 = 8
Qs
How many protons does Potassium have? - n
Ans✔
19
Qs
How many amino acids are essential for human life? - n
Ans✔
20 amino acids
Qs
Normal body temperature in °C? - n
Ans✔
37°C
Qs
Normal body temperature in °F? - n
Ans✔
98.6°F
Qs
, Boiling point of water in °C? - n
Ans✔
100°C
Qs
Boiling point of water in °F? - n
Ans✔
212°F
Qs
0°K is equal to °C? - n
Ans✔
-273°C
Qs
The term Amphoteric means? - n
Ans✔
A substance that can act as both a base & acid
Qs
What is Kelvin based around? - n
Ans✔
Absolute zero
Qs
A compound that is a Hydrogen or proton donor, corrosive to metals, causes blue
litmus
paper to become red and becomes less acidic when mixed with a base is? - n
Ans✔
Acid
