FT 105 Ch. 2

Anyting that occupies space, has mass, and can be measured by one or more senses.

Measurement of quantity when weight is proportional to the mass.

Consistant portion of matter that has definite shape, and volume.

Matter with definite volume but not shape, will take shape of vessel it is placed in.

No definite shape or volume. Shape is determined by pressure placed on gas and shape of container.

Flammable at atmospheric temperature and pressure when mixed with 13% air or less.

Numerical difference between a flammable substance lower and upper explosive limit in air

Matter consisting primarily of earth materials

• Rock
• Soil
• Air
• Water
• Minerals

Matter found in living substances 

• Plants 
• Animals
• Plastic 
• Wood
• Gasoline
• Oil

Tiny mass of protoplasm that contains a nucleus, enclosed by a membrane.

Forms the smallest structure of all living matter.

Substance formed from two or more elements joined with a fixed ratio.

• Compound for wood:
• C5H10O5
• Six Carbon atoms
• 10 Hydrogen atoms
• 5 Oxygen atoms

Temp. a material must be heated to for it to decompose.

Two or more atoms tightly bound by chemical bonds

Made of neutron (neutral charge), Proton (posotive charge), and Electron (negative charge). 

Same mass as a proton but electrically neutral charge.

Positively charged particle that is the nucleus of most common isotope of hydrogen.

Very light particle with a negative charge surrounding the nucleus.

Atom with an extra electron, produces a negative charge.

Atom that is missing electrons.

Simplest form of matter.

Chemical reaction in which one or more halogen atoms are incorporated into a compound.

• EXAMPLE:
• Chlorine
• Bromine
• Fluorine

Copper

Gold

Iron

Lead

Mercury

Potassium

Silver

Sodium

Tin

Molecules are not changed by a process

• EXAMPLE:
• Diesel injected into a cylinder, Cylinder moves up and creates pressure forming gas which explodes and forces the piston downward.

Molecules are changed by a process.

• EXAMPLE:
• Water, sand, and stone mix to create concrete

Instrument for measuring atmospheric pressure

Temp. that a liquid converts to a gas at a vapor pressure equal to or greater than atmospheric pressure

Pressure placed on inside of a closed container by the vapor in the space above the liquid the container is holding.

Realease of vapors in terms of pressure exerted at a specific temperature.

Temp. at which a liquids vapor will ignite.

The lowest tempurature at which a liquid produces a vapor that sustains a continuous flame.

Mass of vapor divided by the volume it fills.

Measures indicate the tendancy for chemicals to dissolve evenly in a liquid.

Form seperate layer and either float or sink depending on their specific gravity.

Materials that are soluable in water.

Density of a product diviede by the density of water (1.0).

Expulsion of a tanks contents due to expansion of water vapor trapped under oil and heated by burning oil and metal sides of tank.

Temp. which a material will ignite with no external source of heat.

Self-ignites.

Lowest ingitable concentration of a substance in air that will ignite.

Highest percentage of a substance in air that will ignite.