Nomenclature
Moles
Physical and Chemical Properties
100

The chemical formula of dihydrogen monosulfide.

What is H2S?

100

What is the mass (in grams) is one mole of Hydrogen?

What is 1.0078 grams?

100

Sodium azide in air bags decomposes rapidly forming nitrogen gas. Is this a physical or chemical change?

What is a chemical change?

200

Name: Mg(OH)2

What is magnesium hydroxide?

200

Number of 'things' in a mole. 

What is 6.022 x 1023?

200

You decide you want to carry a cubed shaped boulder home from the beach. It is 30 centimeters on each side. It is made of granite, which has a typical density of 2.8 g/cm3. How much will this boulder weigh?

What is 75,600 grams?



300

Chemical formula for the phosphate ion.

What is PO43-?


300

What is the molar mass of diatomic hydrogen?

 What is 2.016 grams/mole?

300

What is the volume of a cylinder with a diameter of 40 cm and a height of 10 cm?

What is V = 12560cm3 ?

400

Name: FeCl3

What is iron(III) chloride?

400

Balance the following equation:
KClO3 => KCl + O2

What is:

KClO3 => KCl + 3 O?

400

If the density of propanol is 0.828 g/mL and a sample has a mass of 14.5 g what is the volume?

What is 17.5 mL?

14.5 g x ( mL / 0.828 g)


500

Name: Cu3(PO4)2

What is copper(II) phosphate?

500

How many moles of ‍KCl will be produced from ‍15.0 grams of KClO3?

What is ‍0.122 moles of ‍‍KCl is produced?

500

How much water in mL would 5.25 mg of copper displace? d (Cu) = 11.53 g/mL

What is 4.55 x 10-4 mL?

5.25 mg x ( 1 g / 1000 mg) x ( 1 mL / 11.53 g Cu) 

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