The reaction of aluminum with oxygen to produce a protective coating for the metal's surface is described in the discussion of aluminum in Group 13 of the Elements Handbook. Use this equation (given below) to answer the following questions. 4 Al(s) + 3 O2(g) 2 Al2O3(s) (a) What mass of aluminum oxide would theoretically be formed if a 33.0 g piece of aluminum foil reacted with excess oxygen? g (b) Why would you expect the actual yield from this reaction to be far less than the mass you calculated in item (a)? 1)Some of the aluminum oxide that is produced will undergo an additional reaction. 2)The reaction only occurs on the surface of the metal. 3) Not all of the protective coating will adhere to the surface. 4)It is difficult to remove all contaminants from the surface of the aluminum before conducting the reaction.
The reaction of aluminum with oxygen to produce a protective coating for the metal's surface is described in the discussion of aluminum in Group 13 of the Elements Handbook. Use this equation (given below) to answer the following questions. 4 Al(s) + 3 O2(g) 2 Al2O3(s) (a) What mass of aluminum oxide would theoretically be formed if a 33.0 g piece of aluminum foil reacted with excess oxygen? g (b) Why would you expect the actual yield from this reaction to be far less than the mass you calculated in item (a)? 1)Some of the aluminum oxide that is produced will undergo an additional reaction. 2)The reaction only occurs on the surface of the metal. 3) Not all of the protective coating will adhere to the surface. 4)It is difficult to remove all contaminants from the surface of the aluminum before conducting the reaction.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The reaction of aluminum with oxygen to produce a protective coating for the metal's surface is described in the discussion of aluminum in Group 13 of the Elements Handbook. Use this equation (given below) to answer the following questions.
4 Al(s) + 3 O2(g) 2 Al2O3(s)
(a) What mass of aluminum oxide would theoretically be formed if a 33.0 g piece of aluminum foil reacted with excess oxygen?
g (b) Why would you expect the actual yield from this reaction to be far less than the mass you calculated in item (a)?
g (b) Why would you expect the actual yield from this reaction to be far less than the mass you calculated in item (a)?
1)Some of the aluminum oxide that is produced will undergo an additional reaction.
2)The reaction only occurs on the surface of the metal.
3) Not all of the protective coating will adhere to the surface.
4)It is difficult to remove all contaminants from the surface of the aluminum before conducting the reaction.
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