Chem Unit 7 Test Flashcards

Vocabulary / conversions for Unit 7:

Terminology and equations:

Significant figure(s)

Accuracy

Precision

% error calculation equation (using measured and accepted values; know this)

Density equation (know this)

Metric prefixes:

*Giga = 1 billion (10^9)

Mega = 1 million (10^6)

Kilo = 1 thousand (10^ 3)

Centi = 1 hundreth (10 ^ -2)

Milli = 1 thousandth (10^ -3)

Micro = 1 millionth (10^-6)

Nano = 1 billionth (10^-9)

* = prefix good to know but not necessary (know the rest)

System Conversions (know these):

1 mL = 1 cm³

1.6 km = 1 mi

454 grams = 1 lb OR 2.2 lbs = 1 kg (both work similarly)

2.54 cm = 1 in

Considered common knowledge (expected to know):

1 year = 365.25 days

1 month = 30 day on average

1 week =  7 days

1 day = 24 hr

1 hr = 60 min

1 min = 60 sec

1 foot = 12 inch

1 yard = 3 feet

1 mile = 5280 feet

Any other conversion factors will be provided to you