Moley Moles
This is the volume 0.622 mol of a gas occupies at STP.
What is 13.9 L?
The abbreviation STP stands for this, which means the conditions are 0 degrees Celsius and 1 atmosphere.
What is Standard Temperature and Pressure?
A sample has 25.7 g of calcium oxide. This is the number of moles of calcium oxide contained in the sample?
What is 0.458 mol?
2HCl + Ba → BaCl2 + H2 25.0 g of BaCl2 are recovered from the reaction above. If the expected yield was 30.8g, this is the percent yield.
What is 81.2%
The number of significant figures in 304.00 x 10^5
What is 5?
This is the number of molecules in 48.0 grams of oxygen gas (O2).
What is 9.03 x 10^23?
Zn + 2HCl → ZnCl2 + H2 In the equation above, what is the limiting reactant when 6 g of Zinc reacts with 4 g of Hydrogen Chloride?
What is HCl?
A student performed a chemical reaction that was expected to produce 65.2 g of product. The experiment only produced 62.5 g when performed in the lab. This number is his percent error.
What is 4.14%?
CH4 + 2O2 → CO2 + 2H2O If 1.0 mole of methane reacts with oxygen to produce carbon dioxide and water, what mass of water is produced?
What is 36 grams?
2NBr3 + 3NaOH → N2 + 3NaBr + 3HOBr. This is the excess reagent when 41 moles of NBr3 react with 48 moles of NaOH?
What is NaOH?
If carbon has an atomic weight of 12.011 grams, what is carbon's percent composition found in ethanol C2H5OH?
What is 52%?
A hot air balloon held 1,365 liters of air at standard temperature. This is the volume of the air when its temperature was increased to 27°C? Assume the pressure was constant.
What is 1,500 L?
___C6H10 + ___O2 → ___CO2 + ___H20 Once the equation is balanced... If I have 45 g of C6H10 and 30 g of O2, this is the limiting reagent.
(Extra 60 seconds)
What is O2?
(2 C6H10 + 17 O2 → 12 CO2 + 10 H20)
The oxidation number of manganese in MnO4-.
What is +7?