CHEM 1211K Lecture Notes - Lecture 1: Decimal Mark, Significant Figures, International System Of Units
Document Summary
Some metric prefix that we will use in class. F - 32 x 5/9 (9/5 x c) + 32: kelvin is known as the absolute value. There is no number below zero because there is no such thing as a negative kelvin. 0 k is the lowest temperature: when making a measurement, you are allowed to guess one number. Meaning, if you are measuring a piece of wood with a ruler . And the only exact number that you see is the 2. Then you guess the number that would be next to it. There are two types of measurement: analog and digital. Report based on the precision of the instrument. If you see six digits on any type of electronic device, you report all six digits. Other ways to measure: when reading a buret -> you would read the bottom of the menis- cus, smallest spacing -> 0. 1ml, highest level of precision is 0. 01ml.
