2.6.F - Test: Module 2 Test: Chemistry

Find the mass of 275 mL of benzene if the density is 0.8786 g/mL.

0.8786g/ml (275mL)---Multiply equals 241.615g/mL

The smallest particle of an element that still retains the characteristics of the element is called what?

Atom

Flammability is a ___________ property.

Chemical

The change happening in this picture is a ___________ change.

Chemical

The change happening to the egg in this picture is a ___________ change.

Chemical

The change happening while the cake in this picture is baking is a ___________ change.

Chemical

A block of aluminum has a mass of 42 g and is measured to occupy a volume of 15 mL. Calculate the density.

Density equals mass divided by volume42g divided by 15mlequals 2.8g/ml

What is the density of sulfuric acid if the mass is 73.21 g and the measured volume is 45.0 mL?

Density equals mass divided by volume73.21g divided by 45.0mLequals 1.626888889

If you have two liquids with two different boiling points, which separation method would you use?

Distillation

Which separation method would you use to collect sea salt from the ocean?

Evaporation

What is the difference between mass and weight? Please answer in at least 2 full and complete sentences.

Gravity doesn't always effect the weight. Mass is measured either with or without the use of gravity.

Color is an ___________ property.

Intensive

Density is an ___________ property.

Intensive

Density is what kind of property?

Intensive

Temperature is an ___________ property.

Intensive

What is the mass of zinc if the density is 7.14 g/cm3 and the measured volume is 25.0 cm3?

Mass equals density times volume7.14g/cm^3 times 25.0cm^3equals 178.5cm^3

This picture shows the sublimation of dry ice. This change is ___________.

Physical

What is matter? Please answer in 1-2 full and complete sentences.

Matter can or can't be affected by gravity and takes up mass and takes up space.

___________ have a varying composition and can be separated by physical means.

Mixtures

Which separation method would you use to purify gold?

Smelting

The density of silver is 10.5 g/cm3. The mass is 3001 g. What is the volume?

Volume equals density times mass10.5g/cm^3 times 3001gequals 31,510.5