Properties of Water Answers

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Which role of water is significant for most living things in a biological system?

It prevents many life processes from occurring.

It slows down the transportation of nutrients.

It provides temperature regulation.

It does not freeze in cells at very cold temperatures.

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Which statement would be true about a water molecule if it had a linear shape?

It would contain ionic bonds.

It would have improved special properties.

It would easily bond with other water molecules.

It would be a nonpolar molecule.

Which statement best explains water’s ability to dissolve covalent compounds?

Water can dissolve polar covalent compounds through dipole-dipole interactions.

Water can dissolve nonpolar covalent compounds through hydrogen-bonding interactions.

Water can dissolve polar covalent compounds through ion-dipole interactions.

Water can dissolve nonpolar covalent compounds through dipole-dipole interactions.

Which best explains the high surface tension of water?

its high density

its ion-dipole interactions

its adhesive interactions

its hydrogen bonding interactions

Water can resist a greater external force than ethanol can. Which statement best describes this difference?

Water has less capillary action than ethanol.

Water has greater capillary action than ethanol.

Water has lower surface tension than ethanol.

Water has greater surface tension than ethanol.

Which best explains why blood and the cytoplasm of cells are mainly composed of liquid water?

Water is a common substance and is readily available.

Water is an important transport and reaction medium.

Water prevents biological reactions from occurring readily.

Water prevents turgor pressure from making the cells too rigid.

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