Chemistry 100 Exam 2 Extra Credit.docx - Chemistry 100 Exam 2 Extra Credit 1 In the following reaction Fe2O3 3C 2Fe 3CO how many grams of C are needed

Chemistry 100 Exam 2 Extra Credit.docx - Chemistry 100 Exam...

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Chemistry 100 Exam 2 Extra Credit 1. In the following reaction: Fe 2 O 3 + 3C → 2Fe + 3CO; how many grams of C are needed to react with 16.5 g Fe 2 O 3 ? 2. Give an example of a physical change and chemical change. 3. A sample of nitrogen (N 2 ) has a volume of 50.0 L at a pressure of 760 mmHg. What is the volume of the gas when the pressure changes to 1500 mmHg if there is
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