Different Types Of Equations
What type of equation is this? C + O2 -> CO2
Synthesis
What is the Empirical Formula?
The formula with the simplest whole number ratio of the elements in a compound.
Filter Flask Or Büchner Flask
What is the ideal gas law?
PV=nRT
What is a polyatomic ion?
A covalently bonded group of 2 or more elements that equal 1 charge.
What type of equation is this? CH4 + 2O2 -> CO2 + 2H2O
Combustion
What is the Molecular Formula?
An equation that shows the exact number and types of atoms present in a single molecule of a compound.
A gas in a sealed flask has a volume of 2.0 L at 4.0 ATM. If the pressure is reduced to 2.0 ATM, what's the new volume?
4.0 L
What does n represent in the ideal gas law?
The number of moles within a gas.
What polyatomic ion has the formula SO42-?
Sulfate
What type of equation is this? 2KClO3 -> 2KCl + 3O2
Decomposition
The molecular formula of glucose is C6H12O6. What is its empirical formula?
CH2O
A rigid flask contains a gas at 25 degrees Celsius. If the temperature is increased to 50 degrees celsius, what property of gas would increase?
Pressure
A gas occupies 2.0 L at 1.0 ATM and 300 K. It is compressed to 1.0 L and heated to 450 K. What is the new pressure?
3.0 atm
Which polyatomic ion has the formula NH4+ and is the only common polyatomic ion?
Ammonium
What type of equation is this? Fe + CuSO4 -> FeSO4 + Cu
Single Replacement
The empirical formula of a compound is CH2. What is this compound's molecular formula?
C4H8
A gas occupies 500 mL at 1.0 ATM. If the pressure increased to 2.5 ATM, what would be its new volume?
200 mL
A gas has a volume of 1.2 ATM at 300 K. If the temperature increased to 400 K, what is the new pressure.
1.6 atm
Which polyatomic ion has a -1 charge, contains one phosphorus atom, and four oxygen atoms?
Phosphate (PO43-)
What type of equation is this? BaCl2 + NaSO4 -> BaSO4 + 2NaCl
Double Replacement
A compound has an empirical formula of CH2O and a molar mass of 180g/mol. What is this compound's molecular formula?
C6H12O6
A sealed flask contains a gas at 300 K and 1.5 ATM. The temperature is increased to 450 K while the volume is constant. What is the new pressure?
2.25 atm
A mixture contains 5.00 g of each O2, N2, and Ne gas. What would be the volume of this mixture at standard pressure.?
13.8 L
What is the formula for a carbonate ion?
CO32-