4. The speed of a wave is 75m/s. If the wavelength of the wave is 5m, what is the frequency of the

Chemistry

2 answers:

s2008m [1.1K]2 years ago

5 0

Answer: 15?

Explanation: You take the formula of velocity=length/frequency and change it to velocity/length=frequency to accommodate the values you have.

Alchen [17]2 years ago

3 0

Answer:

15Hz

Explanation:

75m/s / 5m = 15Hz

I hope this helps u! :D

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$m_{precipitated}=24.8g$

Explanation:

Hello,

In this case, since at 60 °C, 108 grams of ammonium bromide are completely dissolved in 100 grams of water for a saturated solution, once it is cooled to 30 °C, wherein only 83.2 grams are completely dissolved in 100 grams of water, the following mass will precipitate:

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