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v1/v2 hesi chemistry exam 2023/ 138 Questions and Answers/ Verified and Graded A+
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v1/v2 hesi chemistry exam 2023/ 138Questions and Answers/ Verified and
Graded A+
+1 - -1. If Hydrogen is in a compound, what would its oxidation
number be?
-The same as the charge of the ion - -What is the oxidation
number of any simple ion?
-0.453592 kg - -How many kilograms are in a pound?
-0 degrees Celsius - -What is the temperature for freezing point
of water in Celsius?
-5F=9C+160 (remember 5F because you have 5 fingers on a
hand & 9C because cats have 9 lives) - -What is the conversion of
Celsius to Fahrenheit?
-0 - -What is the oxidation number of an element atom?
-Below 0C (pick and answer choice around -2C, actual temp
depends on how much salt is in the water) - -What is the freezing
point of sea water in Fahrenheit?
-2 - -How many amino acids are in a dipeptide?
--2 - -If Oxygen is in a compound, what would its oxidation
number be?
-2 because the lower the pH value, the more acidic - -Which of
the following pH values would lemon juice likely have?
-A 5 carbon sugar (Pent = 5) (ose = sugar) - -What is a pentose?
-6 (each H is +1, each O is -2. All charges have to add to 0. 2+S-
8=0, so S=6) - -What is the oxidation state of the Sulfur atom in
Sulfuric Acid H2SO4?
, -8 ( mass# - atomics # = neutrons) 14 - 6 = 8 - -How many
neutrons does carbon 14 have?
-19 (same as the atomic number) - -How many protons does
Potassium have?
-20 amino acids - -How many amino acids are essential for
human life?
-37°C - -Normal body temperature in °C?
-98.6°F - -Normal body temperature in °F?
-100°C - -Boiling point of water in °C?
-212°F - -Boiling point of water in °F?
--273°C - -0°K is equal to ___°C?
-A substance that can act as both a base & acid - -The term
Amphoteric means?
-Absolute zero - -What is Kelvin based around?
-Acid - -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?
-Alloys - -Mixture of 2 or more metals are?
-· Formulas begin with H (Hydrogen)
· Proton Donor - -Acids
-Alpha, Beta & Gamma - -3 types of radiation in nuclear
chemistry?
-.
*Can be stopped by a piece of paper - -Alpha radiation:
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