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전자우편
홈페이지
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비밀번호
(최소 4자이상의 영문 또는 숫자)
How can this be analyzed?1. Obtain a small piece of steel wool and record the mass.(That ended up being .197g)2. Holding the steel wool with crucible tongs, heat the steel wool for 1 minute. Allow to cool on counter and then remass.(That ended up being .212Analysis: Have:1. written word equations2. balanced formula equations3. identiy type of eqation4. eveidence that a chemical reaction occured.How can I find out this info?