Molar Mass
Where do you find the molar mass?
periodic table
Where do you find mole ratios?
balanced equation
25 mol H2 = ____mol H2O
25 mol H2 | 2 mol H2O
1 | 2 mol H2
What is the little number written to the lower right of an element's symbol called?
subscript
Who is the current VP?
Kamela Harris
What are the units for a molar mass?
g of chemical
1 mole of chemical
What are the units for mole ratios?
mole of chemical A
mole chemical B
How many sigfigs should the answer have?
0.00300 mol H2 = ___ mol O2
3
In a balanced equation, what is the number written in front of a chemical symbol?
coefficient
Which team is the current #1 college football team?
Oregon Ducks
What is the molar mass of water?
18.02 g H2O
1 mole H2O
In the equation,
N2 + 3 H2 -> 2 NH3
what is the mole ratio for nitrogen to hydrogen?
1 mole N2
3 mole H2
45 mol H2 = ______ g O2
45 mol H2 | 1 mol O2 | 32.00 g O2
1 | 2 mol H2 | 1 mol O2
What are the units for the coefficient?
moles
What is Chappell Roan's real name?
Kayleigh Rose Amstutz
What is the molar mass of Al2O3?
101.96 g Al2O3
1 mol Al2O3
How many mole ratios are available for:
NaOH + HCl -> NaCl + H2O
6
60.0 g O2 = _______ g H2O
60.0 mol O2 | 2 mol H2O| 18.02 g H2O
1 | 1 mol H2 | 1 mol H2O
What do you call the reactant that is used up first in a reaction, in short it determines how much product can be made?
limiting reactant
Who was the first person to serve as president twice, but not consecutively.
Grover Cleveland
What is the molar mass for Be(NO3)2?
133.02 g Be(NO3)2
1 mol Be(NO3)2
What are all the mole ratios for:
O2 + 2 H2 -> 2 H2O
1 mol O2 , 1 mol O2 , 2 mol H2
2 mol H2 2 mol H2O 2 mol H2O
DAILY DOUBLE!!!
7.2 g H2O = ____molecules H2
7.2 mol H2O | 1 mol H2O | 2 mol H2 | 6.02 x 1023
1 | 18.02 g H2O | 2 mol H2O | 1 mol H2
Wat is calculated when the actual yield is divided by the theoretical yield?
percent yield
Who wrote the "Lord of the Flies"?
William Golding