Chemistry, 19.05.2020 02:03 torreswendy55591
What is the maximum mass of pure iron that could be extracted from 40.0 g of hematite, a iron ore with the chemical formula Fe203
Be sure your answer has a unit symbol, if necessary, and is rounded to 3 significant digits.
Answers: 2
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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What state of matter is ice a. liquid b. element c. solid d. gas
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Which of the following describes the entropy change as a solution is made from a liquid and solid
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What is the maximum mass of pure iron that could be extracted from 40.0 g of hematite, a iron ore wi...
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