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Chemical Reactions
Stoichiometry
Calculations
Acids and Bases
100

In this chemical reaction, the products are always carbon dioxide and water.

What is a combustion reaction?

100
This is a subject of chemistry that studies the calculations of quantities in a chemical reaction.

What is stoichiometry?

100

Balance the following equation and interpret it in terms of moles and volume of gases:

C2H4(g) + O2(g) --> CO2(g) + H2O(g)

What is: "1 mol C2H4(g) + 3mol O2(g) --> 2 mol CO2(g) + 2mol H2O(g)" 

"22.4L C2H4(g) + 67.2 L O2(g) --> 44.8L CO2(g) + 44.8L H2O(g) 

100

According to this theory, an acid is a hydrogen-ion donor and a base is a hydrogen-ion acceptor.

What is the Bronsted-Lowry theory?

200

The five general types of reactions.

What are combination, decomposition, single-replacement, double replacement, and combustion reactions?

200

The five ways chemists can interpret a balance equation.

What are in terms of number of atoms, number of molecules, moles, mass, and volume?

200
Determine the number of moles of CaC2 are needed to react completely with 49.0g H2O.


CaC2(s) + 2 H2O (l) --> C2H2(g) + Ca(OH)2

What is 1.36mol CaC2?

200

The definition of Arrhenius acids and bases.

What is "an acid gives hydrogen ions. A base gives hydroxide ions."?

300

This is the skeletal equation for the following: 

Heating copper(II) sulfide in teh presence of diatomic oxygen produces pure copper and sulfur dioxide gas.

What is "CuS (s) + O2(g) --> Cu(s) + SO2(g)"?

300
The two quantities always conserved in a chemical reaction.

What are mass and atoms?

** Daily Double: How are mole ratios used in a chemical reaction?

300

The equation for the combustion of carbon monoxide is: 2 CO(g) + O2(g) --> 2 CO2(g)

How many liters of oxygen are required to burn 3.86L of carbon monoxide?

What is 1.93L O2?

300
Describe how Lewis broaden the definition of acids and bases.

What is a Lewis acid is an electron-pair acceptor and a Lewis base is an electron-pair donor?

400

Write and balance equations for the following:

Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas.

What is "Al2(CO3)3 (s) --> Al2O3 (s) + 3CO2 (g)"?

400
This is the measure of the efficiency of a reaction carried out in the laboratory.

What is "percent yield"?

**Daily Double: What is the equation for percent yield?

400

How many grams of SO3 are produced when 20.0g FeS2 reacts with 16.0g O2 according to this balanced equation?

4FeS2(s) + 15O2(g) --> 2Fe2O3(s) + 8SO3(g)

What is 21.4g SO3?

400

Any aqueous solution in which [H+] and [OH-] are equal.

What is a neutral solution?

500

Complete the partial reaction shown and then balance the equation.  

K(s) + H2SO4 (aq) --> 

What is "2K(s) + H2SO4 (aq) --> K2SO4 (aq) + H2(g)

500
This determines how much product can be formed in a reaction.

What is the limiting reagent?

500

What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate?

2 Al(s) + 3CuSO4(aq) --> Al2(SO4)3(aq) + 3Cu(s)

What is 70.5%?

500

A solution in which [H+] is greater than [OH-].

What is an acidic solution?

**Daily Double: what is the definition of a basic solution?