Measurement and Problem solving Flashcards
What is Chemistry
Deals with composition, properties of matter, and how matter interacts with other matter
Matter
anything that has mass and takes up space
Composition
Make-up of matter, what kinds and # of particles (atoms) are present in the substance.
Properties
Those characteristics of matter used to identify the substance
Physical prop
Characteristics of a substance that pertain to its appearance of physical state
Chemical prop
characteristics that allow substances to change into something new or alter its internal makeup
Qualitative prop
Properties that can be described by the five senses
Quantitative prop
Properties that can be measured
Intensive prop
Independent of the amount of a substance
Extensive prop
Dependent on the amount of substance
Physical change
Only state or appearance change of the substance change
Chemical change
Changes the makeup of the substance, or some atoms are arranged differently, also called a chemical reaction
Nuclear change
Produces entirely different atoms
Mol
6.02x10^23
L per gal
3.785