Chemical Equations

Chemical Equations

Good Things!

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Multiple Choice

An ionic compound made of copper (Cu²⁺) and oxygen would be named

• copper oxygen.
• copper oxide.
• dicopper oxide.
• copper(II) oxide.

Multiple Choice

A covalent compound made of one sulfur and two oxygen atoms would be named

• sulfur dioxide.
• sulfur oxide.
• disulfur oxide.
• sulfide oxygen.

Multiple Choice

An ionic compound of calcium and chlorine would be named

• calcium chlorine.
• calcium chlorite.
• calcium chloride.
• chlorine calcium.

Multiple Choice

The substances listed on the left side of a chemical equation are the

• Products
• Coefficients
• Precipitates
• Reactants

Multiple Choice

The substances listed on the right side of a chemical equation are the

• Yields
• Reactants
• Products
• Precipitates

Multiple Choice

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Multiple Choice

How many molecules of Carbon are in the following formula? 3C₂H₆

• 3
• 6
• 12
• 18

Multiple Choice

Is the following reaction balanced?

2CH₃OH + 3O₂ --> 2CO₂ + 4H₂O

• yes

• no

• I'm not sure.

Multiple Choice

Is the following equation balanced?

4Fe + 3O₂ --> 2Fe₂O₃

• yes

• no

• I'm not sure.

Multiple Choice

Is the following equation balanced?

2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes

• no

• I'm not sure.

Multiple Choice

Which of the following equations are correctly balanced?

• 12CO₂ +H₂O --> C₆H₁₂O₆ + O₂

• CO₂ + 9H₂O --> C₆H₁₂O₆ + O₂

• CO₂ + H₂O --> 3C₆H₁₂O₆ + O₂

• 6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂