Conversions over everything
Push it to the Limit
I got 99% but a formula is not one
What to What?
All that Jazz
100
What is Avogardro's number
What is 6.02 x 10^23
100
What is the limiting reactant
What is the reactant produces the least amount of product
100
What equation do you use to find the percent composition?
What is mass of element in compound/Total mass of compound x 100
100
Where do you get the moles when doing a mole ratio step?
What is the coefficients of a balanced equation
100
Balance the equation: P4 + O2 --> P2O5
What is P4 + 5O2 --> 2P2O5
200
What do you use to convert from moles to atoms?
What is avogadro's number
200
What is the formula for percent yield
What is actual/theoretical x 100
200
What percentage of potassium is in KMnO4
What is 25%
200
What are the 3 steps when converting from mass to mass in a chemical equation
What is molar mass of given, mole ratio, molar mass of need
200
What is the reactant that runs out first
What is excess
300
How do you convert mass to atoms?
What is divide by molar mass and multiply by avogadro's number
300
My theoretical yield of beryllium chloride was 10.7 grams. If my actual yield was 4.5 grams, what was my percent yield?
What is 42%
300
Find the percent composition of copper (Cu) in CuBr2
What is 28.4%
300
Use the following equation: Na + Cl2 --> NaCl How many moles of Sodium are used with 4.5 mol Cl2?
What is 9 mol Na
300
How can you find the theoretical yield?
What is through calculations
400
Convert 21 mol Li to atoms
What is 1.26 x 10^25
400
Given the following equation: LiOH + KCl --> LiCl + KOH I began this reaction with 20 grams of lithium hydroxide. What is my theoretical yield of lithium chloride?
What is 35 g LiCl
400
What is the empirical formula of a compound that contains 0.783g of Carbon, 0.196g of Hydrogen and 0.521g of Oxygen?
What is C2H6O
400
10. Using the BALANCED equation below, complete the following conversions: 2Al + Fe2O3 --> Al2O3 + 2Fe When you use 3.5 mol of Al how many grams of Fe will you make
What is 195.44 g Fe
400
How many mole ratios are possible for the following equation: 2HgO --> 2 Hg + O2
What is 6 possible ratios: (2molesHgO/2 molesHg), (2 moles Hg / 2 moles HgO) , 2 moles HgO /1 mole O2) , (1 mole O2/ 2 moles HgO) , (2 moles Hg / 1 mole O2) , (1 mole O2 / 2 moles H
500
How many atoms are in 300 grams of water?
What is 1.0 x 10^25
500
The rare earth metal terbium is produced from terbium (III) fluoride and calcium metal by the following reaction: 2TbF3 + 3 Ca --> 3CaF2 + 2Tb Given 27.5 g of TbF3 and 6.96 g of Ca, how many grams of terbium could be produced?
What is 18.4 g Tb
500
The percent composition of a compound was found to be 63.5% silver, 8.2% nitrogen and 28.3% oxygen. Determine the compound's empirical formula.
What is AgNO3
500
Using the BALANCED equation below, complete the following conversions: 2Al + Fe2O3 --> Al2O3 + 2Fe b. 24 g Fe2O3 --> g Fe
What is 16.66 g Fe
500
Molar mass of ammonium hydroxide
What is 35g
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