Exam 1 Chem 111

Front 1

Temperature Conversions

Back 1

0 K = -273.15 ˚C
0˚C = 32 ˚F
TK = TC + 273.15
TF = (1.8 × TC
) + 32
TC = (TF
-32)÷1.8

Front 2

Common Prefix Multipliers in the
SI System

Back 2

mega- M 1,000,000 Base x 10^6
kilo- k 1,000 Base x 10^3
deci- d 0.1 Base x 10^−1
centi- c 0.01 Base x 10^−2
milli- m 0.001 Base x 10^−3
micro- μ or mc 0.000 001 Base x 10^−6
nano- n 0.000 000 001 Base x 10^−9
pico p 0.000 000 000 001 Base x 10^−12

Front 3

Sig figs in Calculations

Back 3

• Multiplication and division
• The final answer must have the same number of
sig figs as the number having the least sig figs
• Addition and subtraction
• The final answer must have the same number of
decimal places as the number with the least
decimal places
• Sometimes, this may involve rounding off
the number

Front 4

1 kg = ? lbs

Back 4

2.205 lbs

Front 5

1 L = ? qt

Back 5

1.0567 qt

Front 6

1 ml = ? cm

Back 6

1 cm^3

Front 7

1 mile = ? km

Back 7

1.6093 km

Front 8

1 in = ? cm (exact)

Back 8

2.54 cm (exact)

Front 9

Density

Back 9

Density = mass / volume
• solids = g/cm3
• liquids = g/mL
• gases = g/L