Identifying the particles of an atom
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?
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If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
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Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect
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