ILOVEAARON39821
17.08.2021 •
Chemistry
A beaker containing a solution of NaCl and water is covered with a watch glass and slowly heated. Drops of liquid are observed to form on the underside of the watch glass. These drops of liquid are:
a. pure Naci
b. more concentrated NaCl solution
c. less concentrated NaCl solution
d. pure water
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Ответ:
Since mechanical waves depend on molecule cooperation to move their energy, they can't go through areas of room that are drained of particles. That is, mechanical waves can't go through a vacuum.
Explanation: