Chemical Reactions
Chemical Reactions II
Chemical Reactions III
Stoichiometry
Mole Ratio
100
One of the following is NOT a physical change: splitting wood, melting ice, burning wood or dissolving salt in water.
What is burning wood?
100

In the formula 5CaSO4, this is the number of oxygen atoms.

What is 20?

100

This type of change occurs when a substance or multiple substances rearrange, in which a new substance is created.

What is a chemical change?

100

If you have 48 g of carbon, how many moles do you have?

What is 4 mol of carbon?

100

N2 + 3H2 → 2NH3

What is the mole ratio between N2 and NH3 in the above reaction?

What is 1:2?

200
In a chemical reaction the substances to the right of the arrow are called this/these?
What is/are products?
200

C3H8 + O2 ----> 3CO2 + 4H2

is this type of chemical reaction.

What is combustion? 

200

This type of reaction typically starts with two or more reactants and ends with one product. 

What is a synthesis reaction?

200

DOUBLE JEOPARDY!!!!!!!!!!!!!

Convert 24.0 grams of H2 to moles.

What is 12.0 mol?

200

Which of the following represent a mole ratio between silver nitrate and copper(II) nitrate in the following reaction:
2AgNO3 + Cu --> Cu(NO3)2 + 2Ag


What is 2:1?

300

The symbolic representation of a chemical reaction that includes symbols and formulas. 

What is a Chemical Equation? 

300

These are the 6 types of chemical reactions. 

What are synthesis, decomposition, single replacement, double replacement, neutralization and combustion reactions? 

300

DOUBLE JEOPARDY!!!!!!!!!

Balance the reaction: Na + H2O --> NaOH + H2

What is 2Na + 2H2O --> 2NaOH + H2

300

2K + S -->K2S

What is the total number of moles of sulfur needed to react with 9 moles of potassium?

What is 4.5 moles?

300

48.4 mols of NH3 are reacted with an excess of oxygen, how many moles of NO are formed? 4NH3+5O2-> 4NO+6H2O

What is 48.4 mols of NO?

400

When balancing an equation, these numbers can not be changed.

What is a subscript?

400

DOUBLE JEOPARDY!!!!!!!!!!!!!

A solid that forms from a solution during a chemical reaction.

What is a precipitate?

400

Predict the products: Hydrochloric Acid + Zinc ->

What is Zinc Chloride + hydrogen?

400

4NH3 + 5O2-->4NO + 6H2O

How many moles of NO will be produced from 10 moles of oxygen gas?

What is 8 moles of oxygen gas?

400

In this reaction, one element replaces a similar element in a compound. 

What is a single-replacement reaction?

500

Give three examples of details showing that a chemical change has taken place.

What is temp. change, color change, odor change, formation of a precipitate, formation of a gas?

500

Balance the following chemical reaction: H2 + NaCl --> HCl + Na

H2 + 2NaCl --> 2HCl + 2Na

500

An increase in temperature will usually cause the rate of reaction to ________________.

What is "increase"? 

500

6CO2 + 6H2O --> C6H12O+ 6O2

How many moles of glucose(C6H12O6) can be produced from 1 moles of water?

What is 1/6 mole of glucose?

500

How many moles of lithium hydroxide are required to react with 20 mol CO2, the average amount exhaled by a person each day?

2LiOH + CO2 -> Li2CO3 + H2O

What is 40 mols of LiOH?