Chem2100 Final Exam Study Guide Flashcards

These flashcards cover key vocabulary from the Chem2100 final exam study guide, focusing on terms and definitions important for understanding chemical analysis concepts.

Qualitative Analysis

An analysis that focuses on identifying the components or characteristics of a substance.

Quantitative Analysis

An analysis that focuses on determining the quantity or concentration of components within a sample.

Homogenous Sample

A sample that has a uniform composition throughout.

Heterogeneous Sample

A sample consisting of various components that are not uniformly distributed.

Calibration Curve

A graphical representation used to determine the concentration of an analyte by comparing its response to that of a series of known standards.

Masking

A process of preventing the analysis of certain components in a mixture by adding a substance that binds to those components.

Aliquot

A portion of a larger sample that is representative of the whole.

Buoyancy

The ability of an object to float in a fluid, determined by its density relative to the fluid.

Titration Curve

A graph that shows the pH of a solution as a function of the volume of titrant added.

Buffer Capacity

The ability of a buffer solution to resist changes in pH upon the addition of small amounts of acid or base.