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HESI Chemistry (2024) Exam Questions and Answers 2024( A+ GRADED 100% VERIFIED).
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HESI Chemistry (2024) Exam Questions and Answers 2024( A+ GRADED 100% VERIFIED).
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HESI Chemistry (2024)Normal body temperature is considered to be 98.6 F. What is the normal body temperature in
degrees Celsius
37 days
Which of the following is the SI unit used to measure the amount of a substance
mole
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6 Ways to Show Appreciation for Your Child's Teacher
What is the name given to a negatively charged atom?
anion
Which of the following terms correctly defines the term isotope?
Atoms with the same number of protons and electrons, but different number of neutrons.
Which of the following is represented by the atomic number of an element?
an element's number of protons
Which of the following phase transition describes the change from ice to stream?
Sublimation
, What is the percent consent ration of benzene in a solution containing 59 ml of benzene and
150 ml toluene
28.2%
59+150 =209 ml
59/200 = 0.282
0.282 x 100= 28.2%
_____ is going from liquid to solid
freezing
_____ is liquid to a gas
Evaporation
Acidic pH
less than 7
Alkaline ph
more than 7
Which of the following describes a single covalent bond.
A bond that shares one electron pair
Which of the following describes a catalyst
a substance that increases the rate of a chemical reaction
What type of bonding exists in NaCl
ionic
In a redox reaction, oxidation is the _____ of electrons and reduction is the _____ of electrons
loss, gain
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Which of the following is not likely to have a dipole?
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