根据质量守恒定律解释下列现象: (1)细铁丝在氧气中燃烧后,生成物的质量比细铁丝
问题:
根据质量守恒定律解释下列现象:
(1)细铁丝在氧气中燃烧后,生成物的质量比细铁丝的质量大;
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(2)蜡烛在空气中充分燃烧后,质量变小.
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