These are the coefficients that would balance this equation:
C3H8 + O2 --> CO2 + H2O
What is 1, 5, 3, 4?
100
This is the formula for molarity.
What is moles divided by liters?
100
Yields H+ ions in solution.
What is an arrhenius acid?
200
hydrochloric acid
What is HCl?
200
This is the representative particle for an ionic compound.
What is a formula unit?
200
The would be an example of this type of reaction:
MgCl2 + 2 Na --> Mg + 2 NaCl
Name the type of reaction.
What is a single replacement reaction?
200
This is the term to describe the coefficients in front of compounds in a reaction to help with stoichiometry.
What is the mole ratio?
200
When using the phenolthalien test, this color would be a solution with a pH of 2.0.
What is clear?
300
Iron (III) oxide
What is Fe2O3?
300
Take the mass of the element and divide by the total mass of the compound and multiply by 100.
What is formula for percent composition?
300
This is the symbol to represent that a reaction had to be given heat in order to make it react.
What is a triangle over the arrow?
300
To find this term, divide each reactants mole value by its own coefficient. Whichever number is lowest will be this term.
What is the limiting reactant?
300
These have the property of "eating" away at metals.
What are acids?
400
MgCl2
What is magnesium chloride?
400
Divide each mole value by the lowest number of moles. Then round to the nearest whole number. If the number is too far to round, then multiply each value by 2 to find the simplest whole number ratio.
What are the steps to find the empirical formula?
400
When this factor is increased, the rate of reaction is increased. Name one.
What is concentration, surface area, temperature, or adding a catalyst?
400
To find this value, take the actual amount collected and divide by the value to be expected. Then multiply by 100.
What is percent yield?
400
This is a substance that can block changes in their pH for a period of time.
What is a buffer?
500
CuSO4
What is copper II sulfate?
500
This would be the mass of 0.75 moles of SO2.
What is 48 grams?
500
These are all the elements that exists as diatomic in nature.
What is bromine, iodine, nitrogen, chlorine, hydrogen, oxygen, and fluorine?
500
This would be the number of grams of propane used up when oxygen is in excess and 3.5 grams of water is collected.
C3H8 + 5 O2 --> 3 CO2 + 4 H2O
What is 2.1 g of propane?
500
You know you have reached this value when the solution has completely changed color.