Lab%2002%20%28-%29%20-%20Lab%20Measurements%20%28STUDENT%29

# Lab%2002%20%28-%29%20-%20Lab%20Measurements%20%28STUDENT%29...

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Lab Measurements Created by Jackie Jurchenko Created by Jackie Jurchenko

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International System of Units (SI) Mass = kilogram (__) ___________ = Kelvin (K) Distance = ______ (m) Volume = cubic meter (___) Time = ________ (s)
Prefixes For very large or very small numbers: kilo (__) 10 3 (1000 times larger than the base unit) So, a kg is 1000 times larger than a gram ____ (d) 10 -1 (1 tenth of the base unit) centi (__) 10 -2 (1 hundredth of the base unit) _____ (m) 10 -3 ______ (μ) 10 -6

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Calibrated Instruments Has lines that ______ the measurements. The _____ lines – the _____ precisely the instrument can be read. (beaker vs graduate) Should estimate ____ decimal place after the ______ calibration. This digit is the ______ one

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Unformatted text preview: Examples 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 Temperature • Measure in Kelvin F = (__) C + 32 C = (__)( F – 32) K = Density Ratio of the _____ of an object to its ______ Units: g/mL (g/cm 3 ) • 1L = 1 x 10-3 m 3 • 1 cm 3 = 1 mL D = R e c o r d u n k w ! • Down draft hood measurements – A is __ – B is ___ – C is ___ • Boiling stone – (marble chips)…purpose – Do NOT __________________! • Balances – Use the _____ balance throughout experiment – Do not forget to zero the balance with ‘_____’ • Do NOT stick anything you haven’t cleaned into stock bottles – or DI water bottles!! Tips...
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## This note was uploaded on 01/19/2012 for the course CHEM 1211L taught by Professor Dennison during the Spring '08 term at Kennesaw.

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Lab%2002%20%28-%29%20-%20Lab%20Measurements%20%28STUDENT%29...

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