Fall 24 Chemistry Exam

Front

What is the name of the structure represented by the formula NaHCO₃?

Back

Sodium Bicarbonate

Front

How do you express the number 118 in terms of significant figures?

Back

118 mL (with 3 significant figures)

Front

Convert 4.03 x 10^5 to standard (decimal) form.

Back

403,000

Front

What is a key requirement for scientific investigations?

Back

They must be repeatable.

Front

What is the name of the structure represented by the formula KNO₃?

Back

Potassium Nitrate

Front

Define significant figures in measurements.

Back

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

Front

What is the scientific method?

Back

A systematic process for experimentation that includes observation, hypothesis, experimentation, and conclusion.

Front

What is the formula for calculating the total volume when measuring liquids?

Back

Total Volume = Volume₁ + Volume₂ + Volume₃.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond, while a mixture is a combination of two or more substances that retain their individual properties.

Front

What is the chemical formula for Ammonium Nitrate?

Back

NH₄NO₃