2026 HESI Chemistry Practice Test Best Rated Test (20 Questions And Complete Answers)
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Terms in this set
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What is the atomic number of an unknown element with 45 protons and an atomic mass of 64?
1. 64
2. 45
3. 22
4. Cannot be determined
1. 64
2. 45
3. 22
4. Cannot be determined
45
What is the usage of scientific notation?
1. The plan is to make it easier to deal with both tiny and large quantities.
2. The plan is to make it easier to deal with fewer numbers.
3. The plan is to make it easier to deal with larger numbers.
4. There is no point.
1. The plan is to make it easier to deal with both tiny and large quantities.
2. The plan is to make it easier to deal with fewer numbers.
3. The plan is to make it easier to deal with larger numbers.
4. There is no point.
The plan is to make it easier to deal with both tiny and large quantities.
In degrees Celsius, a typical human body temperature is
1. 37 degrees
2. 33 degrees
3. 38 degrees
4. 35 degrees
1. 37 degrees
2. 33 degrees
3. 38 degrees
4. 35 degrees
37 degrees
What is the sodium charge in the compound NaCl?
1. 0
2. 3
3. −1
4. +1
1. 0
2. 3
3. −1
4. +1
+1
Which of the following causes cramps during strenuous exercise?
1. Lactate
2. Protein
3. Pyruvate
4. Glucose
1. Lactate
2. Protein
3. Pyruvate
4. Glucose
Lactate
What does -COOH mean?
1. Carbonyl group
2. Amino group
3. Carboxyl group
4. Hydroxyl group
1. Carbonyl group
2. Amino group
3. Carboxyl group
4. Hydroxyl group
Carboxyl group
Unstable nuclei, given enough time, will:
1. evolve
2. decay into a stable form
3. degrade into a further unstable form
4. None of the above
1. evolve
2. decay into a stable form
3. degrade into a further unstable form
4. None of the above
decay into a stable form
Citric acid is found in lemon juice. Which of the following pH levels is most likely for lemon juice?
1. 7
2. 2
3. 9
4. 15
1. 7
2. 2
3. 9
4. 15
2
If a specific reversible process reached equilibrium, what would happen if more reactants were added?
1. The equilibrium would change in favor of the formation of additional products.
2. The reaction would heat up
3. The equilibrium position would move, resulting in the formation of more reactants.
4. Nothing, because the reaction has reached equilibrium.
1. The equilibrium would change in favor of the formation of additional products.
2. The reaction would heat up
3. The equilibrium position would move, resulting in the formation of more reactants.
4. Nothing, because the reaction has reached equilibrium.
The equilibrium would change in favor of the formation of additional products.
What is the molarity of an aqueous solution containing 0.40 moles of sugar in 5 liters of water?
1. 0.04 M
2. 8.0 M
3. 0.08 M
4. 400.0 M
1. 0.04 M
2. 8.0 M
3. 0.08 M
4. 400.0 M
0.08 M
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