Honors Chemistry Chapter 2 Test Study Guide

mega (M)

10^6 (1,000,000)

kilo (k)

10^3 (1,000)

deci (d)

10^-1 (.1)

centi (c)

10^-2 (.01)

milli (m)

10^-3 (.001)

micro (µ)

10^-6 (.000001)

nano (n)

10^-9 (.000000001)

pico (p)

10^-12 (.000000000001)

femto (f)

10^-15 (.000000000000001)

Scientific Notation

method for making very large or very small numbers more compact & easier to write

Unit

tells what scale or standard is being used to represent the results of measurement

SI unit of mass

kilogram (kg)

SI unit of length

meter (m)

SI unit of time

second (s)

SI unit of temperature

kelvin (K)

Volume

the amount of 3-dimensional space occupied by a substance

SI unit of volume

meter cubed (m^3)

1 liter (1L)

1dm^3= 1,000cm^3= 1,000 mL

Uncertainty

every measurement involving a measuring device is not exact (the space in between marks on a measuring device)

Significant figures

all certain numbers & the first uncertain number in a measurement

Density

the amount of matter present in a given volume of substance

Density formula

Density = mass/volume

How many Kelvin is 0°C?

273 K

How many Kelvin is 0°F?

255 K

How many Fahrenheit is 0°C?

32°F

How many yards are there per meter?

1.094 yd

How many centimeters are there per inch?

2.54 cm

How many pounds are there per kilogram?

2.205 lb

How many quarts are there per liter?

1.06 qt

How many liters is one cubic foot?

28.32 L

How many yards are in a mile?

1760 yd

How many square feet are in a square meter?

10.7639 ft^2

How many cubic feet are in a cubic meter?

35.3147 ft^3