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Topic: Science
Number of pages / Number of words: 3 / 798
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The only explanation for this significant difference of outcome between the two trials is that the first trial was inaccurate due to incomplete oxidation with the steel wool. The fine steel wool which was used in the second trial had more surface area for the oxidation to take place, and therefore produced more accurate results...


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The fine steel wool which was used in the second trial had more surface area for the oxidation to take place, and therefore produced more accurate results. The increase in the weight of the steel wool can be attributed to the atoms of oxygen in the Fe2O3.

CONCLUSIONS:

The experiment showed that the percent oxygen of the air in the lab at the time of the test was approximately 20%...


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