Gas
This is the amount of space one mole of gas takes up at STP
What is 22.4 L?
This is the coefficient of hydrogen gas in the balanced form of the following reaction: H2 + O2 --> H2O
What is 2
This is the amount of magnesium chloride produced (in grams) if 20.0 g of magnesium react with excess hydrochloric acid
Mg + 2HCl -------> MgCl2 + H2
What is 78.4 grams
This is the ingredient that is the limiting reactant if you have 5 cups of flour, 9 eggs and 3 tbs of oil?
2 cups flour + 3 eggs + 1 tbs oil → 4 waffles
What is flour
This many liters of oxygen are required to react with 1.0 L of Carbon Monoxide
2CO + O2 --> 2CO2
What is 0.5 L?
This is the coefficient in front of nitrogen gas in the correctly balanced form of the equation:
(NH4)NO2 --> N2 + H2O
What is 1
This is the amount of lithium nitride produced if 5.50g of Lithium reacts with an excess of nitrogen gas. The reaction:
6Li + N2 --> 2Li3N
What is 9.16 grams
This is the actual amount of grams produced if the theoretical yield of a reaction is 42.0 grams of product and the percent yield is 75%.
What is 32 g
When 13.5 grams of solid aluminum react with HCl according to the following balanced equation at STP:
2 Al (s) + 6 HCl (aq) --> 2 AlCl3 (aq) + 3 H2 (g)
This many liters of Hydrogen gas can be produced
What is 16.8 L?
This is the amount of moles of water that are made from complete reaction of 2.2 moles of oxygen gas with hydrogen gas Given the reaction:
2H2 + O2 → 2H2O
What is 4.4 moles
This is the amount of calcium carbonate produced when a chemist reacts 14.4g of CaO with an excess of CO2.
CaO + CO2 --> CaCO3
What is 25.7 grams.
There are 100.0 grams of each reactant available. Determine the limiting reactant in this equation.
SO2 + 2NaOH → Na2SO3 + H2O
What is NaOH
This is the percent yield when a sample of 8.5 g NH3 on oxidation produces 4.5 g of NO.
4 NH3 + 5 O2 → 4 NO + 6 H2O
What is 30 %
A 3.25 gram sample of solid calcium carbide (CaC2) reacts with water to produce acetylene gas (C2H2) and aqueous calcium hydroxide.
CaC2 + 2H2O --> C2H2 + Ca(OH)2
If the acetylene was collected over water at 17ºC and 0.97 atm, this many liters of acetylene can be produced.
What is 2.4 L
This is the amount of moles of H2 that can be made from the complete reaction of 3.0 moles of Al Given:
2 Al + 6 HCl → 2 AlCl3 + 3 H2
What is 4.5 moles
2AgNO3 + BaCl2 → 2AgCl + Ba(NO)2
This many grams of silver chloride are produced from 5.0 g of silver nitrate reacting with an excess of barium chloride
What is 4.2 g
This is the theoretical yield of silicon carbide if 50.0 grams of silicon dioxide reacts with 79.1 grams of Carbon.
SiO2 + 3C → SiC + 2CO
What is 33.3 g
This is the percent yield if 155 grams of calcium carbonate is treated with 250 grams of hydrochloric acid and 142 grams of calcium chloride is obtained?
CaCO3 + 2HCl → CaCl2 + CO2 + H2O
What is 82.6%
If 45.0 L of methane (CH4), undergoes complete combustion at 97.3 kPa and 20ºC, this many grams of each product are formed
CH4 + 2O2 --> 2H2O + CO2
What is a79.2 g of CO2 and 64.8 g of H2O?
This is how many moles of LiOH are required to react 20 moles of CO2 in the following reaction:
CO2 + 2LiOH --> Li2CO3 + H2O
What is 40 moles.
This is the amount (in grams) of aluminum oxide produced from the reaction of 0.353 grams solid aluminum with an excess of oxygen gas.
4Al + 3O2 --> 2Al2O3
What is 0.67 grams.
This is the amount (g) of sodium chloride formed and this many grams of the excess reactant are left over when 135.8g of Lead (II) chloride reacts with 95.7g of sodium in a single replacement reaction. (Hint: write a reaction first)
What is 57.1 g NaCl and 73.2 g excess Na
This is the percent yield of CuS given that you start with 15.5 g Na2S and 12.1 g CuSO4. The actual amount of CuS produced was 3.05g .
Na2S + CuSO4 → Na2SO4 + CuS
What is 42.1%?