Vocab
This is the numerical value for avogadro's number.
What is 6.022 x 1023?
Balance this equation:
___H2 + ___O2 --> ___H2O
2 H2 + 1 O2 --> 2 H2O
State the molar mass of Glucose (C6H12O6).
180.156 g/mol
4 Na + O2 → 2 Na2O
If 10 moles of Na react completely, how many moles of Na2O are produced?
What is 5 moles of Na2O?
Br, I, N, Cl, H, O, F
This is the numerical value found on the periodic table used to convert moles into mass (grams.)
What is molar mass?
8 Al + 3 Fe3O4 ---> 4 Al2O3 + 9 Fe
What type of reaction is shown above?
What is single replacement?
How many moles are there in 2.3 x 1022 atoms of pure Na?
0.04 moles of Na
C2H4 + 3 O2 → 2 CO2 + 2 H2O
If 20 moles of water are produced, how many moles of oxygen gas must have reacted?
What are 30 moles of oxygen gas?
This particle has mass, but has no charge.
What is a neutron?
This is the name of the number used to relate moles to small "things" (atoms, molecules, compounds, etc.)
What is avogadro's number?
Balance this equation:
___NaCl + ___Mg --> ___Na + ___MgCl2
2 NaCl + 1 Mg --> 2 Na + 1 MgCl2
How many grams would 5.0 moles of NaCl weigh?
292.2 grams
4 Na + O2 → 2 Na2O
If 10 grams of Na react completely, how many grams of Na2O are produced?
What are 13.48 grams of Na2O?
This is where the halogens found on the periodic table
Where is in column 17/7A/VII?
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass/Matter?
Balance this equation and state the type of reaction:
___Al + ___O2 --> ___Al2O3
4 Al + 3 O2 --> 2 Al2O3
Synthesis Reaction
Which would weigh more, a mole of carbon, or a mole of silicon?
What is a mole of silicon?
C2H4 + 3 O2 → 2 CO2 + 2 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?
This is used when naming covalent compounds exclusively.
What are prefixes?
The calculation of quantitative (measurable #) relationships of the reactants and products in a balanced chemical reaction.
What is stoichiometry?
Balance this equation and state the type of reaction:
__C4H10 + __O2 → __CO2 + __H2O
2 C4H10 + 13 O2 → 8 CO2 + 10 H2O
Combustion reaction
How many molecules are there in 250 grams of NaOH?
What is 3.76 x 1024 molecules of NaOH?
SnO2 + 2 H2 → Sn + 2 H2O
Given the reaction above. You react 36 g of SnO2 and 36 g of H2. This is how many grams of H2O would be produced.
What is 8.6g of H2O?
Express the answer to this math equation with the correct number of significant figures.
801* 53.0 =
What is 42,450?