haylee1468
21.10.2020 •
Physics
Which of the following reactions best illustrates the Law of Conservation of Mass?
A. H2O2 → H2O + O2
B. Na + CuS → Na2S + 2 Cu
C. K + AgCl → KCl + Ag
D. NaOH + 2 HCl → NaCl + H2O
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Ответ:
A
Explanation:
Mass does not change no matter what!!! In this instence it is all still there. hope it helps
Ответ:
velocity is speed WITH a direction
acceleration is how quickly velocity is changing