Honors Final Exam Review #2

Front

What action will increase the rate of solubility when dissolving solid solutes in liquid solvents?

Back

Stirring the solute in the solution increases the rate of solubility.

Front

How many significant figures does the number 0.002040 have?

Back

4 significant figures.

Front

What is the separation technique that uses differences in the movement of substances through a stationary phase?

Back

Chromatography.

Front

What is the correct formula for aluminum sulfide?

Back

Al₂S₃.

Front

What is the electron configuration for Chlorine (Cl)?

Back

1s² 2s² 2p⁶ 3s² 3p⁵.

Front

What is the definition of solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What is the principle behind distillation?

Back

Distillation separates mixtures based on differences in boiling points.

Front

Define significant figures.

Back

Significant figures are the digits in a number that contribute to its precision.

Front

What is the purpose of centrifugation?

Back

Centrifugation separates components of a mixture based on density.

Front

What is the formula for calculating the number of significant figures in a measurement?

Back

Count all non-zero digits, zeros between non-zero digits, and trailing zeros in a decimal.