Chem 103 Exam 1 review - UW Madison latest questions and answers all are correct graded A+

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 & grease. What is a buffer? - Answer-a substance to help to neutralize/balance pH levels. What are pH indicators? - Answer-They are used to tell you the pH value. Examples are phenalphelein and bromthymol blue. What are the properties of an acid? - Answer-taste sour, conduct electricity, corrosive, reacts with metals, turns litmus paper red.Give examples of acids - Answer-HCL which is in your stomack. Sulfuric acid which is used a lot in industries to make fertilzers, paints, etc. Tums antacid used to neutralize stomach acids. What are some uses of bases? - Answer-soaps and cleaning products used in batteries What are some examples of bases? - Answer-lye used to make soap. Liquid plummer used for clogged drains. Baking Soda and Baking powder What is the main neutral substance? - Answer-water