Chemistry, 28.09.2019 02:30 kingjaydee3415
An am radio station broadcasts at 1030 khz , and its fm partner broadcasts at 98.5 mhz .
parta; calculate the energy of the photons emitted by the am radio station.
partb; calculate the energy of the photons emitted by the fm radio station.
partc; compare the energy of the photons emitted by the am radio station with the energy of the photons emitted by the fm radio station.
Answers: 2
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Janel’s class studied properties of matter and how matter can change. janel decided she would do an experiment mixing baking soda and vinegar.question: describe the properties of baking soda and vinegar, and explain the changes that janel should see when she mixes the two types of matter. •first, identify the physical state of matter of baking soda. describe another property of baking soda. •next, identify the physical state of matter of vinegar. describe another property of vinegar. •then, explain what janel should see when she mixes the baking soda and vinegar. •describe the states of matter of the new materials that are formed. •explain how janel can be certain a change has occurred. me
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Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.
Answers: 1
Chemistry, 22.06.2019 08:30
In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.
Answers: 1
An am radio station broadcasts at 1030 khz , and its fm partner broadcasts at 98.5 mhz .
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