CHEM 1122 Lecture Notes - Lecture 4: Picosecond, Microsecond, Nanosecond

45 views4 pages
14 Dec 2016
School
Department
Course
Professor

Document Summary

Help with dealing with large and small numbers. What prefix to use? tera giga mega kilo centi milli micro nano pico (must be capital) trillion. Distance to la from boston = 4. 809 km or 4. 809 x 10^3 km. 4. 809 x 10^3 x10^3 m = 4. 809 x 10^6 m (meters) Time spent in a 50 minute class is 3,000 seconds. Time only uses millisecond, microsecond, nanosecond, picosecond units. Critical thinking is the mode of thinking about a subject or problem that improves the quality of thinking by skillfully taking charge of the structures inherent and imposing standards. Question to ask: how does our data relate to our hypothesis. 51. 2 cm convert to inches 2. 54 cm = 1 in. 51. 2cm x 1in/2. 54cm = 20. 2 in converted number. How to solve a unit conversion problem (check points) Identify end product: what do we want to change to, devise a way to reach the end, use appropriate conversions, solve, check it.