What type of reaction is shown:
Al(OH)3 -> Al2O3 + H2O
What is a Decomposition reaction?
Balance the following chemical equation:
NaI + Cl2 -> 2NaCl + I2
What is:
2NaI + Cl2 -> 2NaCl +I2
The theoretical yield of FeCl2 is 20 grams. What is the percent yield of FeCl2 if my actual yield is 11 grams?
What is:
55% FeCl2
The formula for the ideal Gas Law.
What is:
PV=nRT
The rows labeled 1-7 that give the amount of energy levels.
What are periods?
What type of reaction is shown:
Zn + 2HCL -> ZnCl2 + H2
What is a Single replacement reaction?
Balance the following equation:
Fe + 3O2 -> 2Fe2O3
What is:
4Fe + 3O2 -> 2Fe2O3
How many moles of Oxygen (O2) gas are needed to react with 25 moles of ammonia (NH3)?
Molar masses: NH3 = 17.04g, O2=32.0g, NO=30.01g H2O=18.02g
4NH3 +5O2 -> 4NO + 6H2O
What is:
31.25 mol O2
A tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures of the three gases in the tank are 25 atm of O2, 10 atm of N2, 35 atm of He, what is the total pressure inside of the tank?
What is:
70 atm
The columns in the periodic table from 1A-8A that tell how many valence electrons.
What are family/groups?
What type of chemical reaction is shown:
2C4H10 + 13O2 -> 8CO2 + 10H2O
What is a combustion reaction?
Balance the following chemical equation:
N2 + H2 -> NH3
What is:
N2 + 3H2 -> 2NH3
How many moles of nitrogen monoxide (NO) are formed, if 30 grams of water (H2O) are produced?
Molar masses: NH3=17.04, O2=32.0g, NO=30.01g, H2O=18.02g
4NH3 + 5O2 -> 4NO + 6H2O
What is:
1.11 mol NO
A 0.852-mol sample of a gas is at 288 K and 81.8 kPa. Calculate the volume for the gas.
What is:
24.93 L
This element has 2 energy levels and 2 valence electrons.
What is:
Beryllium (Be)
What type of reaction is shown below:
AB + CD -> AC + BD
What is a Double-replacement reaction?
Balance the following chemical equation:
CH4 + O2 -> CO2 + H2O
What is:
CH4 + 2O2 -> CO2 + 2H2O
How many grams of potassium chloride (KCl) are produced from the decomposition of 35 grams of potassium chlorate (KClO3)?
Molar masses: KClO3=122.55g, KCl=74.55g, O2=32.0g
2KClO3 -> 2KCl + 3O2
What is:
21.29 g KCl
A gas with a volume of 130ml and a pressure of 3.0 atm is compressed to 50.0 ml. What is the new pressure?
What is:
7.8 atm
The five major groups of the periodic table.
What are:
Alkali metals
Alkaline Earth Metals
Transition Metals
Halogens
Noble Gases
List all 5 of the Chemical Reaction Types.
What is:
Synthesis
Decomposition
Combustion
Single-replacement
Double-replacement
Balance the following chemical equation:
H3PO4 + 2NaOH -> Na2HPO4 + H2O
What Is:
H3PO4 + 2NaOH -> Na2HPO4 + 2H2O
What mass of potassium(K) would react with excess chlorine (Cl) to produce 156 g of potassium chloride (KCl)?
Molar masses: K=39.10, Cl=35.45, KCl=74.55
2K + Cl -> 2KCl
What is:
81.8g K
At constant pressure and 25oC a sample of gas occupies 8.5L. At what temperature will the gas occupy 9.0 liters?
What is:
315 K
The group that contains a full valency.
What are Noble gases?