Ch 1 Vocab Flashcards
A tentative explanation of or prediction derived from experimental observations
Hypothesis
Non-numerical experimental observations such as descriptive or comparative data
Qualitative Information
Quantitative Information
Numerical experimental data, such as measurements of changes in mass or volume
Law
A concise verbal or mathematical statement of a relation that is always the same under the same conditions
A unifying principle that explains a body of facts and the laws based on them
Theory
A fortunate discovery made by accident
Serendipity
Standard State
The most stable form of an element or compound in the physical state in which it exists at 1 bar and the specified temperature
Kinetic Molecular Theory
A theory of the behavior of matter at the molecular level
Kinetic Energy
The energy of a moving object - dependent on its mass and velocity
Macroscopic Level
Processes and properties on a scale large enough to be observed directly
Submicroscopic Level
Representations of chemical phenomena in terms of atoms and molecules; also called particulate level
Mixture(s)
A combination of two or more substances in which each substance retains its identity
A mixture in which the properties in one region or sample are different from those in another region or sample
Heterogeneous Mixture
Homogeneous Mixture
A mixture in which the properties are the same throughout, regardless of the optical resolution used to examine it
A homogenous mixture
Solution(s)
