Moles
What is 58 g/mol?
Describe molarity
What is:
- a measure of concentration for solutions
- moles of solute/L of solution?
What is:
- Compound + element, element switches places with part of the compound
- AB + C → CB + A
Consider the balanced equation:
CH4 + 4Cl2 → CCl4 + 4HCl
Give the mole ratio of Cl2 to CCl4
What is 4:1?
What is:
- a fixed number (6.022*10^23 things/particles) that's like a dozen?
- a number we use to compare amounts of substances
Describe the relationship between concentration and absorbance. (Hint: Beer Lambert Law Lab)
What is the higher the concentration, the higher the absorbance?
Identify the reaction type:
H2CO3 → H2O + CO2
What is decomposition?
Balance the chemical equation:
C + S8 → CS2
What is
4C + S8 → 4CS2
Find the molar mass of C22H14O4 (you can round)
What is 342 g/mol?
Find the molarity of a solution that has 12 moles of solute in 144 L.
What is .083 M (moles/L?)
Predict the products of the reaction:
Ca + O2 → ?
What is CaO?
N2 + 3H2 → 2NH3
If I have 6 moles H2, how many grams NH3 can I make?
What is 68 g NH3?
If I have 280 g N2, how many moles of N2 is that? (Be able to explain your process)
What is 10 moles N2?
I want to make a 2.5 M solution. If I have 5 moles of solute, how many L should the solution be? (Be able to explain your process)
What is 2 L?
Explain why Na + Cl2 does not make NaCl2
What is elements can only have 8 valence electrons?
Consider the following balanced equation:
2Fe2CO3 + C → 4Fe + 3CO2
If I have 60 g C, how many g CO2 can I make?
What is 660 g CO2?
If I have 4 moles of CH4, how many grams is that? (Be able to explain your process)
What is 64 g CH4?
I have 12 L of a 4M solution. If I dilute the solution to 3M, how many L of solution will I have?
What is 16 L?
Predict the products and balance the equation:
H2SO4 + NaOH → ?
What is
H2SO4 + 2NaOH → Na2SO4 + 2H2O
Consider the following balanced equation:
2Fe2CO3 + C → 4Fe + 3CO2
If I have 10 moles of Fe2CO3 and 10 moles of C, how many moles of Fe will I produce?
What is 20 moles Fe?
*Percent yield