Chemistry, 26.07.2019 01:00 ellenharley7
Which of the following is not an indication of a chemical reaction? a) a substance dissolved b) formation of a precipitate c) color change d) the container gets cold
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What element has similar physical and chemical properties as boron.
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The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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In a ball-and-stick molecular model, what do the sticks represent?
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Which of the following is not an indication of a chemical reaction? a) a substance dissolved b) fo...
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