Chemistry FINAL EXAM

Front

What is the reading in the burette when it shows 33.40 cm³?

Back

The reading in the burette is 33.40 cm³.

Front

Which statement is NOT true of all different types of matter?

Back

The particles always move at the same speed.

Front

What is the formula to calculate the volume of a box?

Back

Volume = length × width × height.

Front

If an object is more dense than water, what will it do?

Back

It will sink.

Front

What is the molecular geometry of CO₂?

Back

CO₂ has a linear molecular geometry.

Front

What is density?

Back

Density is mass per unit volume, typically expressed in g/cm³.

Front

How do you calculate density?

Back

Density = mass/volume.

Front

What is the significance of the meniscus in a liquid measurement?

Back

The meniscus is the curve at the surface of a liquid, and measurements should be taken at the bottom of the meniscus.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the pH scale?

Back

The pH scale measures the acidity or basicity of a solution, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.