The Mole
This is the name of the number used to relate moles to small "things" (atoms, molecules, compounds, etc.)
What is avogadro's number?
This is equivalent to grams per mole.
What is molar mass?
This refers to number used to compare in mole-mole problems.
What is the mole fraction?
What is the molar mass of carbon?
What is 12.011 g/mol?
Who is democritus?
What is the numerical value for avogadro's number?
What is 6.022 x 1023?
How many moles are there in 2.3 x 1022 atoms of pure Na?
Which of the coefficients goes into the denominator of the mole fraction?
What is the given?
This is the term given in class to describe the process of stoichiometry in common terms. (Hint: compares to a common household item or practice.)
What are chemical recipes?
This model of the atom, similar to a delicious breakfast item, first included the electron?
What is the plum pudding model? (blueberry muffin)
This is the numerical value found on the periodic table used to convert moles into mass (grams.)
What is molar mass?
How many grams are there in 5.0 moles of NaCl?
What is 292.2 grams of NaCl?
What must be done prior to solving ANY stoichiometry calculation?
What is, balance the reaction?
When should numerical values in stoichiometry problems be rounded?
What is when you are stating the final answer?
In this form of chemical bonding, atoms gain or lose electrons to form electric charge.
What is ionic bonding?
How is the mole useful conceptually in the context of chemistry? (several answers apply.)
TBD
This is the exact location of molar mass.
What is underneath the symbol on the periodic table?
Na + O2 → Na2O
If 10 moles of Na react completely, how many moles of Na2O are produced?
What is 5 moles of Na2O?
Na + O2 → Na2O
If 10 grams of Na react completely, how many grams of Na2O are produced?
What are 13.48 grams of Na2O?
This is used when naming covalent compounds exclusively.
What are prefixes?
This is the term given in class to describe the mole, similar to a dozen or pair.
What is a counting unit?
How many molecules are there in 250 grams of NaOH?
What is 3.76 x 1024 molecules of NaOH?
C2H4 + O2 → CO2 + H2O
If 20 moles of water are produced, how many moles of oxygen gas must have reacted?
What are 30 moles of oxygen gas?
C2H4 + O2 → CO2 + H2O
If 35 grams of carbon dioxide are produced, how many grams of pure oxygen gas must have reacted?
What are 38.17 grams of O2?
Predict the products of the following reaction.
C2H4 + O2 →
What are CO2 and H2O?