Mole Math
This is the mass of 4.0 moles of helium.
What is 16 grams?
An ion that exists in the same form on both the reactant and product sides of a chemical reaction is called this.
What is a spectator?
OR What is a spectator ion?
The gist of an equation, with spectator ions removed, is called this.
What is a net ionic equation?
True or False: An empirical formula can be the same as the corresponding molecular formula.
What is True?
What is the reaction rate will increase?
How many moles of carbon tetrafluoride, CF4, are in 176 grams of CF4?
What is 2.00 moles?
This is the number of objects in a mole of something, given in scientific notation.
What is 6.02 x 1023?
If the information is not given, this is how you figure out whether a product is aqueous or solid.
What are the Solubility Guidelines?
OR What is page 2 of the Reference Tables?
OR What is Table F?
This is the simplest whole number ratio of the amount of each element in a given compound.
What is the empirical formula?
What is the reaction rate will decrease?
This is the volume (in liters) of 7.00 moles of argon gas at STP.
What is 157 L?
We multiply a given value by at least one of these fractions or ratios to convert from one unit to another.
What is a conversion factor?
OR What are conversion factors?
This is the molecule that won't be split into ions in a complete ionic equation for the following:
2HI(aq) + Li2S(aq) → H2S(g) + 2LiI(aq)
What is H2S(g)?
OR what is hydrogen sulfide?
A compound with the empirical formula CH2O has a molar mass of 180 g/mol. This is the compound's molecular formula.
What is C6H12O6?
In order to make a reaction happen faster, you need to create more opportunities for ___________ between reactant particles.
What are collisions?
This is the mass of 0.045 moles of C4H8O2
What is 4.0 grams? (Or something close to that)
The number of particles in a mole was named after this scientist.
Who was Avogadro?
OR Who was Amedeo Avogadro?
Given this complete ionic equation, give us the net ionic equation.
2Na+(aq) + 2OH-(aq) + Cu2+(aq) + 2Cl-(aq) → 2Na+(aq) + 2Cl-(aq) + Cu(OH)2(s)
What is
2OH-(aq) + Cu2+(aq) → Cu(OH)2(s)
An compound is found to be 75.74% arsenic and 24.26% oxygen. This is its empirical formula.
What is As2O3?
If a catalyst is introduced, the activation energy of a chemical reaction is _______________.
What is smaller?
OR What is shorter?
This is how many molecules are in 22 g of water.
What is 7.4 x 1023 molecules? (Or something close to that)
This concept is proportional / interchangeable with atomic mass units (amu) when dealing with an individual element.
What is molar mass?
Given this molecular equation, present the net ionic equation.
HBr(aq) + NaOH(aq) → H2O(l) + NaBr(aq)
What is
H+(aq) + OH-(aq) → H2O(l)
A compound is found to contain 23.3% magnesium, 30.7% sulfur, and 46.0% oxygen. This is the empirical formula of this compound.
What is MgSO3?
This is a way to potentially add more energy to a chemical reaction without necessarily adding more external heat.
What is add light?