Molecular oxygen is required for the metabolic combustion of foods. Depending on exertion level, human lungs can absorb between 2.50 g and 8.00 g of O2 per minute. Calculate the amount of O atoms (in moles) in 3.91 g of oxygen gas (O2). Enter your to the appropriate number of significant figures. 1.23e4. For example: 5.34 × 108 would be entered as 5.34e8, and   The adult human body contains between 4.00 and 8.00 grams of iron (Fe) atoms, depending on size. Determine the number of Fe atoms in 4.54 grams of Fe. Enter your answer in scientific notation, to the correct number of significant figures. 1.23e4. For example: 5.34 × 108 would be entered as 5.34e8, and   How many carbon atoms are found in 0.415 grams of the amino acid glycine, H2NCH2COOH? Enter your answer in scientific notation, to three significant figures.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Molecular oxygen is required for the metabolic combustion of foods. Depending on exertion level, human lungs can absorb between 2.50 g and 8.00 g of O2 per minute. Calculate the amount of O atoms (in moles) in 3.91 g of oxygen gas (O2). Enter your to the appropriate number of significant figures.

1.23e4. For example:

5.34 × 108 would be entered as 5.34e8, and

 

The adult human body contains between 4.00 and 8.00 grams of iron (Fe) atoms, depending on size. Determine the number of Fe atoms in 4.54 grams of Fe. Enter your answer in scientific notation, to the correct number of significant figures.

1.23e4. For example:

5.34 × 108 would be entered as 5.34e8, and

 

How many carbon atoms are found in 0.415 grams of the amino acid glycine, H2NCH2COOH? Enter your answer in scientific notation, to three significant figures.

1.23e4. For example:

5.34 × 108 would be entered as 5.34e8, and

 

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