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Chem 1210 Cheat Sheet Unit 2 Exam 1 kg =1000g 0 Kelvin=−273.15 1 cm=1 x 10 8 1 L=1000 mL=1000 cm 3 1 mL =1 cm 3 760 torr =760 mmHg =101325 Pa Pa= N m 2 = kg ms 2 = J m 3 Gravity: g=9.81 m / s 2 Density: ρ= mass volume Avogadro’s #: 6.022 x 10 23 atoms mol Absolute Error / Precision %: ±value massvolume x 100 % Pressure: P= Force Area = massgravity Area % Error = ExperimentalTheoretical Theoretical Force exerted on 1 vertical wall: F= 1 2 ρgh 2 w Law of Flotation: ↓ Weight=↑F B Archimedes’ Principle: ↑F B =Weight of Liquid Displaced Ideal Unit Cell Structures: SCC BCC HCP FCC / CCP

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Chem 1210 Cheat Sheet Unit 2 Exam

Gravity:

Density:

Avogadros #:

Absolute Error / Precision %:

Pressure:

% Error =

Force exerted on 1 vertical wall:

Law of Flotation:

Archimedes Principle:

Ideal Unit Cell Structures:

SCC

BCC

HCP

FCC / CCP

L = 2R

L = 4R /

L = 2 R

1 atom

2 atoms

4 atoms

52% PE

68% PE

74% PE

74% PE

PE = Packing Efficiency