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The combustion of ethane (C2H6) produces carbon dioxide and steam.
2C2H6(g)+7O2(g)⟶4CO2(g)+6H2O(g)
How many moles of CO2 are produced when 5.55 mol of ethane is burned in an excess of oxygen?
For the chemical reaction
Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3
how many moles of calcium carbonate (CaCO3) are produced from 6.0 mol of sodium carbonate (Na2CO3)?
Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia.
N2(g)+3H2(g)⟶2NH3(g)
Assume 0.190 mol N2 and 0.599 mol H2 are present initially.
After complete reaction, how many moles of ammonia are produced?
How many moles of H2 remain?
How many moles of N2 remain?
What is the limiting reactant?
Glucose, C6H12O6, is used as an energy source by the human body. The overall reaction in the body is described by the equation
C6H12O6(aq)+6O2(g)⟶6CO2(g)+6H2O(l)
Calculate the number of grams of oxygen required to convert 58.0 g of glucose to CO2 and H2O.
Calculate the number of grams of CO2 produced.
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide.
2NaI(aq)+Cl2(g)⟶I2(s)+2NaCl(aq)
How many grams of sodium iodide, NaI, must be used to produce 53.4 g of iodine, I2?
Consider the reaction shown.
4HCl(g)+O2(g)⟶2Cl2(g)+2H2O(g)
Calculate the number of grams of Cl2 formed when 0.225 mol HCl reacts with an excess of O2 .
For the chemical reaction
2KI+Pb(NO3)2⟶PbI2+2KNO3
how many moles of lead(II) iodide will be produced from 101 g of potassium iodide?
Phosphorus reacts with oxygen to form diphosphorus pentoxide, P2O5 .
4P(s)+5O2(g)⟶2P2O5(s)
How many grams of P2O5 are formed when 2.17 g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots.
The reaction between iron(II) oxide and carbon monoxide produces iron and carbon dioxide. How many moles of iron can be obtained when 6.25 mol FeO reacts with an excess of CO?
FeO+CO⟶Fe+CO2
If 2.98 mol of C5H12 reacts with excess O2, how many moles of
CO2 will be produced by the following combustion reaction?
C5H12+8O2⟶6H2O+5CO2
