How many moles are in 240g of caco3?
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Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
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