IPC
True or False
All types of energy (renewable and non-renewable) is used in different ways to do the same thing, to turn a turbine.
WHAT IS TRUE?
A substance has molecules that are loosely bound, allowing them to flow freely around each other. The substance will take the shape of its container, this substance must be a
What is a liquid?
An example of a chemical property is...
What is
Acidity
Flammability
Reactivity
List all 5 of the Chemical Reaction Types.
What is:
Synthesis
Decomposition
Combustion
Single-replacement
Double-replacement
Balance the following chemical equation:
CH4 + O2 -> CO2 + H2O
What is:
CH4 + 2O2 -> CO2 + 2H2O
The formula for the ideal Gas Law.
What is:
PV=nRT
List two types of non-renewable energy.
What is:
Coal
Natural gas
Petroleum
Compared to the particles in a gas, the particles in a solid move ....
What is slower than the gas?
This situation would cause a liquid’s viscosity to increase.
what is decrease the temperature?
What type of reaction is shown below:
AB + CD -> AC + BD
What is a Double-replacement reaction?
Balance the following chemical equation:
N2 + H2 -> NH3
What is:
N2 + 3H2 -> 2NH3
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
List two types of renewable sources of energy.
What is
Solar
Geothermal
Wind
Hydropower
Biomass
What happens to particles of air as the temperature rises?
What is the molecules of air move more quickly?
When multiple atoms of the same type are joined together.
What is an element or pure substance?
What type of chemical reaction is shown:
2C4H10 + 13O2 -> 8CO2 + 10H2O
What is a combustion reaction?
Balance the following equation:
Fe + 3O2 -> 2Fe2O3
What is:
4Fe + 3O2 -> 2Fe2O3
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 major adavantage of using geothermal energy instead of using coal energy is....
What is releases less carbon dioxide?
Most substances are more dense in their solid form than in their liquid or gaseous form. What makes the solid phase more dense?
What is the solid form has less energy, so the molecules are packed more tightly?
The reason helium is considered a noble gas.
What is because it has a full outer shell of electrons (full valency)?
What type of reaction is shown:
Zn + 2HCL -> ZnCl2 + H2
What is a Single replacement reaction?
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
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
Solar cells are what type of energy.
What is renewable?
These particles are very far away from each other, are easily compressed, and have high energy.
What is a gas?
What element is most likely to bond with sodium (Na) in a chemical reaction?
Aluminum (Al)
Argon (Ar)
Carbon (C)
Chlorine (Cl)
What is chlorine (Cl)?
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
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 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