Copy of Unit 6-Calculations in Chemical Reactions (Fancy)

What is qualitative measurement?

Qualitative measurement provides descriptive, non-numeric results influenced by perception.

What is quantitative measurement?

Quantitative measurement yields numeric results that are not influenced by perception.

What does accuracy refer to in measurements?

Accuracy indicates how close a measured value is to the true or expected value.

What does precision mean in the context of measurements?

Precision refers to how close a series of measurements are to one another.

What are significant figures?

Significant figures are digits that indicate the precision of a number based on the measuring tools used.

What is scientific notation?

Scientific notation expresses large or small numbers as a coefficient times ten raised to a power.

What is dimensional analysis?

Dimensional analysis is a method for converting units by setting up equalities between them.

What do metric prefixes signify?

Metric prefixes indicate different powers of ten, such as kilo- (1000) or milli- (0.001).

How is % Error calculated?

% Error is calculated as (observed value - expected value) / expected value * 100.

What is density?

Density is the ratio of an object's mass to its volume, unique to each substance.