Chemical Reactions

Writing Chemical Reactions

100

The following reaction would result in these two products:

CH₄ + 2O₂ -------> ? + ?

What are carbon dioxide and water?

200

State the law of conservation of matter

Matter cannot be created nor destroyed, only transformed

300

How would you balance the following equation:

CH₄ + Cl₂---------->CCl₄ + HCl

CH₄ + 4Cl₂---------->CCl₄ + 4HCl

400

before a chemical reaction can be properly balanced, the reactants and products must be this (meaning they are the correct formula)

what is electrically neutral or balanced?

500

All ionic compounds are this! No, I don't mean violence on others....

What is a salt?

Classifying Reactions

100

Classify the following reaction: 

2H₂O → 2H₂ + O₂

Decomposition

200

Classify the following reaction: 

Zn + 2HCl → H₂ + ZnCl₂

Single displacement

300

Classify the following reaction: 

HCl + NaOH → NaCl + H₂O

Double displacement

400

CaO + H₂O -----> Ca(OH)₂ represents this type of chemical reaction

What is synthesis?

500

True or false: precipitation reactions can be classified as double displacement reactions? 

True

Precipitation Reactions

100

The insoluble product in a precipitation reaction is called this

what is the precipitate?

200

What is the correct formula for magnesium (IV) nitrate?

 Mg(NO₃)₂

300

Using a solubility table, will lead carbonate form a precipitate? 

Yes

400

What are the products formed when Sodium Hydroxide and Magnesium Chloride are reacted? 

Magnesium hydroxide and Sodium chloride

500

Barium chloride solution and calcium nitrate solution are mixed. Will a precipitate form? If so name the precipitate

No precipitate forms, both barium nitrate and calcium chloride are soluble.

Did a Chemical Reaction Occur?

100

Matt breaks into his dad's chemical cabinet and decides to throw some quick lime into water which gets hot! Matt knows a chemical reaction occured because of this

What is release of energy?

200

food coloring is added to water - did a chemical reaction occur?

What is no - the combination is a mixture. 

300

Eevee's white powder is added to a clear liquid, resulting in bubbles. You know a reaction occured because of this

What is gas formation?

400

Two clear solutions are mixed and immediately the solution becomes cloudy white. We know a reaction occured due to this

What is the formation of a solid?

500

Magnesium metal is ignited over a bunsen burner. How do we know that a chemical reaction occured?

What is the release of energy in the form of light?

My Chemical Romance

100

These are present during a reaction, but don't participate in the formation of the product.

What is a spectator ion?

200

Water is the universal this, but others include fats and alcohol. 

What are solvents?

300

This is a solution of known molarity (i.e. concentration)

What is a standard solution?

400

This is the thing that gets dissolved

what is a solute?

500

Precipitation reactions are only possible because of the unique property of water

What is water is polar?