Chapter 1 Flashcards
Everything you touch, feel,or taste is composed of chemicals that is—
Matter
Some matter- lakes, trees,’
sand, and soil- is
naturally occurring
other examples of mater- aspirin, CDs, nylon fabric, plastic syringes, and vaccines are
made by humans.
It is the study of matter- its composition, properties, and transformations.
Chemistry
It is anything that has mass and takes up volume.
Matter
It studies anything that we touch, feel, see, smell, or taste,
Chemistry
Some matter- cotton, sand, an apple, and the cardiac drug digoxin is ______, meaning it is isolated from natural sources.
naturally occurring
Other substancesn y l o n , Styrofoam, the plastic used in soft drink bottles, and the pain reliever ibuprofen–are ____, meaning they are produced by chemists ni the laboratory
synthetic
It is the science of everyday experience.
Chemistry
The particles of a ____ are close together and highly organized.
solid
The particles for a ______ are close together but more disorganized
liquid
The particles of a _____ are far apart and disorganized.
gas
A ____ converts one material into another.
A chemical change or a chemical reaction
All matter can be classified as either a _______ or _______
pure substance or a mixture.
It is composed of a single component and has a constant composition, regardless of the sample size and the originof the sample.
pure substance
A pure substance, such as water or table sugar, can be characterized by its _______, because these properties do not change from sample to sample.
physical properties
A ______ cannot be broken down to other pure substances by any physical change.
pure substance
A ____ is composed of more than one substance. The composition of a mixture can vary depending on the sample.
mixture
A ____ can be separated into its components by physical changes.
mixture
Mixtures can be formed from—(3)
solids, liquids, and gases
A/an ____ is a pure substance that cannot be broken down into simpler substances by a chemical reaction.
element
A/an _____ is a pure substance formed by chemically combining (joining together) two or more elements.
compound
1 k m = m
1000 m
1 m = cm
100cm
1m = mm
1,000mm
1 cm = mm
10 mm
1 k g = g
1 , 0 0 0 g
1 g= mg
1,000 mg
1 mg = micrograms
1,000 micrograms
1 L = dL
10 dL
1 L= mL
1,000mL
1L= microliters
1,000,000 microliters
1 dL = mL
100mL
1 ft = in
12 in.
1yd= ft
3ft
1 mi = ft
5,280 ft
1 in = cm
2.54cm
1 m = in
39.4 in.
1 km = mi
0.621 mi
1Ib = oz
16oz
1 ton = lb
2,000 lb
1kg= lb
2.20lb
1 lb = g
454g
1 oz = g
28.3g
1 qt = cups
4 cups
1 qt = pt
2 pt
1 qt = fl oz
32 fl oz
1 gal = qt
4 qt
1 L = qt
1.06 qt
1 qt = mL
946 mL
1 fl oz = mL
29.6 mL
A ____ is a term that converts a quantity in one unit to a quantity in another unit.
conversion factor
Fahrenheit to Celsius
( F - 32 ) (5/9)
Celsius to Fahrenheit
( 9/5 x Celsius ) + 32
