HESI CHEMISTRY V1/V2

HESI CHEMISTRY V1/V2 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. kg 4. What isthe temperature for freezing point of water in Celsius?0 degrees Celsius (32°F for Fahrenheit) 5. What isthe conversion of Celsius to Fahrenheit? 5F=9C+160 (remember 5F because you have 5 fingers on a hand & 9C because catshave 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 saltis in the water) 8. How many amino acids are in a dipeptide?2 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? 13. How many neutrons does carbon 14 have?8 ( mass# - atomics # = neutrons) 14 - 6 = 8 14. How many protons does Potassium have?1i 9 i(same iasitheiatomicinumber) 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?98.6°F 18. Boiling point of water in °C?100°C 19. Boiling point of water in °F?