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Express the number in scientific notation length of a football is 22cm
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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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One nanometer is equal to how many meters?
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Express the number in scientific notation length of a football is 22cm...