kaliahgrey
18.09.2019 •
Chemistry
Which of these is an example of altering the molecular composition of a substance? cooking an egg breaking a glass crushing a metal can crumpling a piece of paper
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Ответ:
A
Explanation:
Simply put, one of these is not like the others. The only one involved with changing instead of reshaping is the egg.
Ответ:
C, 0.746 mol Ag.
1 mol Ag = 6.022 x 1023 atoms of Ag -> 4.49 x 1023 atoms of Ag x 1mol Ag/6.022 x 1023 atoms -> 0.746 mol Ag