Chem v1/v2, AP V1/V2, HESI A2 Biology
BEST SOLUTIONS QUESTIONS AND
CORRECT ANSWERS 100%[VERIFIED]
If a Hydrogen is in a compound, what would its oxidation number be? - ANSWER +1
What is the oxidation number of any simple ion? - ANSWER The same as charge of
the ion
How many kilograms are in a pound? - ANSWER 0.453592 kg
What is the temperature for freezing point of water in Celsius? - ANSWER 0 degrees
Celsius (32°F for Fahrenheit)
What is the conversion of Celsius to Fahrenheit? - 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? - ANSWER 0
What is the freezing point of sea water in Fahrenheit? - ANSWER -2C
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 because
the lower the pH value, the more acidic
What is a pentose? - ANSWER A 5 carbon sugar (Pent = 5) (ose = sugar)
What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4? - 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? - ANSWER 8 ( mass# - atomics # =
neutrons) 14 6= 8
How many protons does Potassium have? - ANSWER 19
How many amino acids are essential for human life - ANSWER 20 amino acids
Normal body temperature in °C? - ANSWER 37°C
Normal body temperature in °F? - ANSWER 98.6°F
Boiling point of water in °C? - ANSWER 100°C
Boiling point of water in °F? - ANSWER 212°F
0°K is equal to°C? - ANSWER -273°C
The term Amphoterie means? - ANSWER A substance that can act as both a base &
acid
What is Kelvin based around? - ANSWER Absolute zero
A compound that is Hydrogen or proton donor, corrosive to metals, causes blue litmus
paper to become red and becomes less acidic when mixed with a base is? - ANSWER
Acid
Mixture of 2 or more metals are? - ANSWER Alloys
pH less than 7.0 sour/tart Formulas begin with H (Hydrogen) Proton Donor - ANSWER
Acids:
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