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HESI A2 CHEMISTRY QUESTIONS AND ANSWERS
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HESI A2 CHEMISTRY QUESTIONS AND ANSWERS
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HESI A2 CHEMISTRY QUESTIONS AND ANSWERSMixture with uniform density throughout and no distinguishable coponents. - Answers -
Homogeneous Mixture
Mixture in which the components are readily distinguished. - Answers -Heterogeneous
Mixture
What are all metric measurements composed of? - Answers -metric prefix and a basic
unit of measurement
What is the most commonly used temperature in scientific community? - Answers -
Celsius
Nucleus of an atom contains... - Answers -protons and neutrons
An individual who weighs 125 lb weighs how much in kilograms?
a. 56.8
b. 2750
c. 68.5
d. 100 - Answers -a. 56.8
How many protons does potassium (K) have?
a. 39.08
b. 32
c. 19
d. 13 - Answers -c. 19
How many protons does potassium (K) have?
a. 39.08
b. 32
c. 19
d. 13 - Answers -c. 19
How many neutrons does carbon 14 have?
a. 6
b. 7
c. 8
d. 9 - Answers -c. 8
What would be the oxidation state of the sulfur atom in sulfuric acid, H2SO4?
a. +4
b. +5
c. +6
d. +8 - Answers -c. +6
, What is the strongest type of chemical bond?
a. covalent
b. hydrogen
c. ionic
d. dipole interactions - Answers -a. covalent
When two monosaccharides are joined together they make a:
a. polysaccharide
b. oligosaccharide
c. disaccharide
d. fat - Answers -c. disaccharide
The nucleic acids DNA and RNA:
a. are found in the cell nucleus
b. are not found in the cell mitochondria
c. contain different kinds of fat
d. include very small molecules - Answers -a. are found in the cell nucleus
The reaction 2C2H6 (g) + 7O2 (g) -> 4CO2 (g) + 6H20 (g) is an example of:
a. combustion
b. double replacement
c. single replacement
d. decomposition - Answers -a. combustion
What is the correct name for MgSO4?
a. magnesium sulfate
b. manganese
c. magnesium sugar
d. manganese silicate - Answers -a. magnesium sulfate
Amphoteric refers to the ability of water to be both a base and a peptide.
True or False - Answers -False
How many amino acids are in a dipeptide?
a. 3
b. an even number
c. an odd number
d. 2 - Answers -d. 2
Glycogen is:
a. a plant starch
b. a disaccharide
c. an animal starch
d. not a starch or a disaccharide - Answers -c. an animal starch
Gluconeogenesis is a process that produces:
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