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26.06.2019 •
Chemistry
When heat is supplied to a solid, the molecules vibrate but do not leave their positions. why is this behavior observed?
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Ответ:
Molecules do not have enough kinetic energy to overcome the intermolecular bonds.
Ответ:
87 ÷ 0.45
= 193.333… lbs
i don’t know how many significant figures you have to do but if it’s 3 significant figures then the answer is 193lbs
lbs = pounds