JEOPARDY!

ReactionsTest Review

Chemical Formulas

Chemical Reactions Vocabulary

Balancing Equations

100 100 100 100

200 200 200 200

300 300 300 300

400 400 400 400

500 500 500 500

Chemical Formulas100

How many different elements are represented in the formula

NH4OH?

Chemical Formulas500

What does the coefficient tell you about a molecule?

5H2O

Chemical Formulas300

How many new substances are created during the following reaction?

Na + H2O NaOH + H2

Chemical Formulas400

How many atoms of each element are in the chemical 2Cu(NO3)2?

Chemical Formulas200

How many atoms of each element are in the chemical 4NaOCl2?

Chemical Reactions100

What 2 things can happen to the heat energy during a chemical reaction?

Chemical Reactions200

Wood burning is an example of an ____________________ reaction.

Chemical Reactions300

The starting materials, or items on the left side of the chemical equation are called the _________________.

Chemical Reactions400

The law of conservation of mass says that energy will never be created or

______________.

Chemical Reactions500

In the following equation: S + Fe FeS, if you have 8 grams of S, how many grams of Fe would you need

to produce a total of 20 grams of FeS?

Vocabulary100

A ___________ is a shorthand notation that represents a compound or chemical.

Vocabulary200

Describe the heat energy in the following reaction:

Time

Energy

Vocabulary300

The 2 in the formula Ag2S is a _____________.

Vocabulary400

The part of the atom involved with bonding are called ________________.

Vocabulary500

A(n) _________________ reaction absorbs heat energy making the inside of the reaction warmer, but the outside temperature cooler.

Balancing Equations100

H2 is on which side of the equation below?

H2 + O2 a H20

Balancing Equations400

Balance the following equation:Fe + O2 a Fe2O3

Balancing Equations300

In the following equation, what MUST be true about CO2 and H2O when compared to CH4 and O2 ?

CH4 + O2 CO2 + H2O

Balancing Equations500

Balance the following equation:Ba(CN)2 + H2SO4 a BaSO4 + HCN

Balancing Equations200

Is the following equation balanced?NH4OH a NH3 + H2O