Chem 103 Exam 1 review UW Madison Questions and Correct Answers

Chem 103 Combined set - UW Madison Exam 1 review Module 1-4 What is an acid? Answer: solution has an excess of H+ ions What is a base? Answer: solution has an excess of hydroxyl ions (OH-) What is neutralization? Answer: -process where acid and base are mixed until they become neutral and the PH is 7. What are the two products of a neutralization chemical reaction? Answer: water and salt ( The type of salt depends on acid or base added to neutralize.) What is a weak acid? Answer: an acid that only partially ionizes in an aqueous solution. This means that not every molecule breaks apart. pH Answer: is a measurement of how acidic or how basic a solution is. Why is pH important to biology? Answer: Cells survive in a specific pH range. Human blood is maintain at 7pH for homostasis. The stomach has acids to break down food. Bile from the liver is a base which breaks down fats