Chemistry Final Exam Review

Which of the following will not undergo a reaction?

• silver metal + zinc oxide

• iron metal + copper(II) oxide

• zinc metal + iron(III) oxide

• magnesium metal + iron(III) oxide

Tags

NGSS.HS-PS1-3

What is the name for MgF₂ ?

• magnesium fluoride

• magnesium difluoride

• magnesium(II) fluoride

• magnesium fluorite

Select the correct formula for sulfur hexachloride.

• S₂Cl₆

• S₆Cl

• SCl₆

• SCl₂

Name the compound CuCO₃

• copper carbon oxide

• copper(III) carbonate

• copper(II) carbonate

• copper carbonate

What is the percent by mass of fluorine in calcium fluoride?

• 24%

• 49%

• 51%

• 65%

Tags

NGSS.HS-PS1-7

What is the molecular formula for a compound with the empirical formula: K₂SO₄ and a molecular mass of 696 g.

• K₂SO₄

• K₈SO₁₆

• K₈S₄O₈

• K₈S₄O₁₆

How much SOCl₂ should be produced when 16.2 g SO₂ reacts with 13.7 g PCl₅ according to the following equation? SO₂ + PCl₅ --> SOCl₂ + POCl₃

• 7.87 g

• 30.1 g

• 26.4 g

• 19.8 g

Tags

NGSS.HS-PS1-7

Juan enjoys balloon animals from the carnival. He just received a balloon giraffe that has an initial temperature of 39.0°C and a volume of 1.28 L. If Juan's sister, Olivia, plays a trick on him and puts his balloon giraffe into the freezer, what would be the new volume of the balloon if the temperature drops down to 8.0°C?

• 1.42 L

• 6.85 x 10⁴ L

• 3.78 L

• 1.15 L

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the temperature of a gas increases the particles

• speed up and move closer together.

• speed up and move farther apart.

• slow down and move closer together.

• slow down and move farther apart.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How many neutrons does this isotope of titanium have?

• 48

• 22

• 26

• 70

Tags

NGSS.MS-PS1-1