Assertion: organic chemistry's reaction | /r/CapableOf | involve small amounts of substances
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Source sentences:
text: In biological systems, reactions often happen on small scales, involving small amounts of substances, so those substances are routinely described in terms of milliequivalents (symbol: officially mequiv; unofficially but often mEq or meq), the prefix milli- denoting a factor of one thousandth (10−3).