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bryanmcmillianjr
07.04.2021 •
Biology
How do toothed whales produce echolocating sounds?
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Ответ:
adhesion
cohesion
solute
hydrogen
neutral
water
Explanation:
Water molecules adhere (adhesion) to unlike surfaces due to the presence of hydrogen bonds between the molecules. The capacity to from adhesion with unlike molecules is what makes ionic compounds (solutes) to be soluble in water. The adhesive force makes water to curve upward in a test tube. Pure water has a neutral pH of 7.
Some liquid molecules like mercury molecules have strong cohesive force holding the molecules together and therefore will not stick to surfaces of unlike molecules. That is why such molecules will form a low dome when poured into a test tube.