HESI A2 Chemistry (V1 & V2) Questions and Answers 2023 If a hydrogen is in a compound, what would its oxidation number be - Correct Answer +1 What is the oxidation number for any SIMPLE ion - Correct Answer +1 or -1 depending on the charge of the ion How many kilograms are in a pound - Correct Answer 0.45 What is the temperature for freezing point of water in Celsuis - Correct Answer 0 degrees What is teh conversation of celsius to fahrenheit - Correct Answer 0C = 32F What is the oxidation number of an element atom - Correct Answer 0 What is the freezing point of sea water in fahrenheit - Correct Answer 0F How many amino acids are in a dipeptide - Correct Answer 2 If oxygen is in a compound, what would its oxidation number be - Correct Answer -2 Which of the following pH values would lemon juice likely have - Correct Answer 2 What is a pentose - Correct Answer 5 carbon sugar What is the oxidation state of the sulfur atom in sulfuric acid (H2SO4) - Correct Answer 6 How many neutrons does carbon 14 have - Correct Answer 8 How many protons does potassium have - Correct Answer 19 How many amino acids are essential for human life - Correct Answer 20 amino acids
- K is equal to ____ C - Correct Answer -273
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What does amphoteric mean - Correct Answer a substance that can act as a acid or base What is Kelvin based around - Correct Answer absolute zero