Chemistry, 08.10.2021 01:00, loveoneonly9154
As a musician, you are in the beginning stages of designing a soundproof studio to record your music. Your task is to select a material to line the walls so you have the least amount of echo. Which of the following materials would you choose?
A.
Wood because the sound waves will reflect back into the studio as it hits the hard surface.
B.
Wood because the sound waves will be absorbed as they hit the hard surface.
C.
Foam because the sound waves will be absorbed into the foam.
D.
Foam because the sound waves will reflect back into the studio.
Answers: 3
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What does the symbol (–hfus) indicate in a phase change?
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Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
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As a musician, you are in the beginning stages of designing a soundproof studio to record your music...
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