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8_murik_8 [283]
3 years ago
8

This is a science question for k12

Chemistry
2 answers:
bixtya [17]3 years ago
6 0

Height of wave - amplitude

Higher the pitch - higher the frequency

Louder - higher the amplitude

bottom of the wave - trough

distance from crest to crest - wave length

top of the wave - crest

galben [10]3 years ago
3 0

Answer:

Height of wave - amplitude

Higher the pitch - higher the frequency

Louder - higher the amplitude

bottom of the wave - trough

distance from crest to crest - wave length

top of the wave - crest

Explanation:

;-;

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Answer:

A,C,D,B

Explanation:

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First person with the right answer gets brainliest thanks (btw the numbers on the right are the answers choose the right one)
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The partial pressure of O2 in air at sea level is 0.21atm. The solubility of O2 in water at 20∘C, with 1 atm O2 pressure is 1.38
adell [148]

Answer:

1.21x10^{-3} M

Explanation:

Henry's law relational the partial pressure and the concentration of a gas, which is its solubility. So, at the sea level, the total pressure of the air is 1 atm, and the partial pressure of O2 is 0.21 atm. So 21% of the air is O2.

Partial pressure = Henry's constant x molar concentration

0.21 = Hx1.38x10^{-3}

H = \frac{0.21}{1.38x10^{-3} }

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P = 0.21*0.875 = 0.1837 atm

Then, the molar concentration [O2], will be:

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0.1837 = 152.17x[O2]

[O2] = 0.1837/15.17

[O2] = 1.21x10^{-3} M

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What is the ionic compound formula for aluminum sulfide?
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