pacerskora
04.02.2020 •
Chemistry
Which chemical equation best illustrates the law of conservation of mass? . 2h2o = h2 + o2. ch4 + 3o2 = co2 + 2h2o. al4c3 + 3h2o = ch4 + 4al(oh)3. zn + 2hcl = zncl2 + h2 . could you explain?
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Ответ:
Zn + 2HCl > ZnCl2 + H2 is the best example of this law because the equation is balanced and has the same amount of each atom on both sides.
Ответ:
The fossils of organisms that were widely distributed but only lived during a shorter period of time are called index fossils.