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Hesi A2 Chemistry exam V1 & V2 latest 2023
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Hesi A2 Chemistry exam V1 & V2 latest 2023

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  • April 17, 2023
  • 12
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • hesi a2 chemistry exam v1 amp v2 latest 2023

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Hesi A2 Chemistry exam V1 & V2 latest 2023

HESI CHEMISTRY V1/V2 (140 QUESTIONS AND
ANSWERS)
1. If Hydrogen is in a compound, what would its oxidation number be?

+1

2. What is the oxidation number of any simple ion?

The same as the charge of the ion

3. How many kilograms are in a pound?

0.453592 kg

4. What is the temperature for freezing point of water in Celsius?

0 degrees Celsius (32°F for Fahrenheit)



5. What is the conversion of Celsius to Fahrenheit?

5F=9C+160 (remember 5F because you have 5 fingers on a hand & 9C because
cats have 9 lives)

6. What is the oxidation number of an element atom?

0

7. What is the freezing point of sea water in Fahrenheit?

Below 0C (pick and answer choice around -2C, actual temp depends on how much
salt is in the water)



8. How many amino acids are in a dipeptide?

2

, Hesi A2 Chemistry exam V1 & V2 latest 2023
9. If Oxygen is in a compound, what would its oxidation number be?

-2

10. Which of the following pH values would lemon juice likely have?

2 because the lower the pH value, the more acidic



11. What is a pentose?

A 5 carbon sugar (Pent = 5) (ose = sugar)



12. What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4?

6 (each H is +1, each O is -2. All charges have to add to 0. 2+S-8=0, so S=6)



13. How many neutrons does carbon 14 have?

8 ( mass# - atomics # = neutrons) 14 - 6 = 8



14. How many protons does Potassium have?

19 (same as the atomic number)



15. How many amino acids are essential for human life?

20 amino acids

16. Normal body temperature in °C?

37°C



17. Normal body temperature in °F?

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