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Moles/Atoms/Molecules
Chemical Equations
Know-How
Older but Important
Lucky Duck
100
Also known as this, the number 6.022 * 10^23.
What is Avogadro's Number?
100
The SI unit used to measure the number of particles in a substance.
What is a mole?
100
A method of using a series of conversion factors to solve problems.
What is dimensional analysis?
100
The coefficient of a reactant means this.
What is the number of moles of that substance in the reaction?
100
The number of significant figures in 910 mm
What is 2?
200
The total number of moles of ATOMS contained in NH3.
What is 4?
200
The place you'd look to find information about converting moles to grams.
What is the periodic table?
200
The conversion factor you would use to convert from mass to moles.
What is Molar Mass?
200
One example of a intrinsic property.
What is density (or boiling point, or melting point, etc)?
200
The mass of 6.022 * 10^23 molecules of sodium?
What is 22.99g?
300
The number of atoms of oxygen in calcium phosphate (Ca3(PO4)2)
What is 8?
300
A candle is burning. You place a jar over the candle. The answer is the substance that is limiting reactant of the combustion (burning) reaction.
What is oxygen?
300
When given a chemical equation and a given mass, this is the first step in calculating the mass of any other substance in the equation.
What is convert mass to moles?
300
The chemical formula for Aluminum chloride.
What is AlCl3?
300
2 slices bread + 1 cheese --> 1 grilled cheese sandwich How many sandwiches can you make from 30 slices of bread and 12 cheese?
What is 12?
400
Another name for the mass of 1 mole of a substance.
What is molar mass?
400
The mole ratio of O2 : H2O in 2 H2 + O2 → 2 H2O
What is 1:2?
400
The molar mass of Ba(OH)2.
What is 171.34g/mol?
400
The chemical name for OF2.
What is oxygen difluoride?
400
Of the following choices, P2O5 is the only one: P2O5 P4O6 C2H4 C3H6
What is an empirical formula?
500
The conversion factor you would need to convert from moles to atoms.
What is Avogadro's number? (6.022 * 10^23)
500
The number of moles of oxygen gas needed to produce 12 moles of water. 2C2H6 + 7O2 --> 4CO2 + 6H2O
What is 14?
500
A clown tells you he needs 15 moles of helium gas to make balloon animals. This answer is how much that gas weighs in grams.
What is 60 grams?
500
The coefficents that are required to balance the following equation: KClO3 --> KCl + O2
What is 2, 2, 3?
500
The name for the calculation of chemical quantities from chemical equations.
What is stoichiometry?