Latest Update (JUNE) 2024/2025|
Questions and PROFESSOR VERIFIED
Answers| Grade A+
If a Hydrogen is in a compound, what would its oxidation
number be? -CORRECT ANSWER +1
What is the oxidation number of any simple ion? -CORRECT
ANSWER The same as charge of the ion
How many kilograms are in a pound? -CORRECT ANSWER 0.453592
kg
,What is the temperature for freezing point of water in
Celsius? -CORRECT ANSWER 0 degrees Celsius (32°F for
Fahrenheit)
What is the conversion of Celsius to Fahrenheit? -CORRECT
ANSWER 5F=9C+160 (remember 5F because you have 5
fingers on a hand and 9C because cats have 9 lives)
What is the oxidation number of an element atom? -CORRECT
ANSWER 0
What is the freezing point of sea water in Fahrenheit? -
CORRECT ANSWER -2C
How many amino acids are in a dipeptide? -CORRECT ANSWER 2
If Oxygen is in a compound, what would its oxidation
number be? -CORRECT ANSWER -2
,Which of the following pH values would lemon juice
likely have? -CORRECT ANSWER 2 because the lower the pH value,
the more acidic
What is a pentose? -CORRECT ANSWER A 5 carbon sugar (Pent = 5)
(ose = sugar)
What is the oxidation state of the Sulfur atom in Sulfuric
Acid H2SO4? -CORRECT ANSWER 6(each H is +1, each O is -2. All
charges have to add to 0. 2+S-8=0
How many neutrons does carbon 14 have? -CORRECT ANSWER 8 (
mass# - atomics # = neutrons) 14 6= 8
How many protons does Potassium have? -CORRECT ANSWER 19
How many amino acids are essential for human life -CORRECT
ANSWER 20 amino acids
, Normal body temperature in °C? -CORRECT ANSWER 37°C
Normal body temperature in °F? -CORRECT ANSWER 98.6°F
Boiling point of water in °C? -CORRECT ANSWER 100°C
Boiling point of water in °F? -CORRECT ANSWER 212°F
0°K is equal to°C? -CORRECT ANSWER -273°C
The term Amphoterie means? -CORRECT ANSWER A substance
that can act as both a base & acid
What is Kelvin based around? -CORRECT ANSWER Absolute zero
A compound that is Hydrogen or proton donor, corrosive
to metals, causes blue litmus paper to become red and