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Esters give flowers and fruits their characteristic odor and taste.

Three hydroxide ions are needed to form a neutral ionic compound with an aluminum ion.

Liquid water at 0

Longer wavelengths are affected more by a prism or water droplets than are the shorter wavelengths.

Astronauts experience a weightless condition when they are in orbit.

Which of the following unit is actually a measure of a rate?

To hit a golf ball farther, you should “follow through the swing” because

Piano tuners try to reduce the beat frequency between their tuning fork and the wire they are tuning.

A person not paying attention while skateboarding hits a rock. The skateboard abruptly stops, but the person does not and is an example of which law?

Einstein proposed that electrons on the surface of a metal gradually absorb energy from photons until they have enough energy to leave the surface.