Section 1.3-1.4 Units and Dimensional Analysis Bill Vining SUNY College at Oneonta.

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Presentation transcript:

Section Units and Dimensional Analysis Bill Vining SUNY College at Oneonta

What is Chemistry Classification of Matter In this section… a.Common units b.Dimensional analysis: conversion factors c.Using density

Common Units

Metric System Prefixes

Converting between units: simple metric Express 1.75 m in cm. Express 5.8 ns in s.

Converting between units: same type Express 458 s as minutes.

Converting between units: dimensional analysis How many seconds are in a day?

Converting between units: dimensional analysis The distance to the nearest star is about 4.24 light years. Light travels miles per second. What is this distance, in kilometers?