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notka56 [123]
3 years ago
13

What happens when a mechanical wave travels through a medium?

Chemistry
2 answers:
ANEK [815]3 years ago
7 0

Your answer would be Option A. Energy is transferred.

I just took this quiz, and can 100% confirm this is the answer.

Hope this helps! :)  

earnstyle [38]3 years ago
6 0

The answer is A. i hope this helps. :)

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what is the mass of a sample of o2 gas, which has a pressure of 740mmhg, at a temperature of 25c, in a volume of 250.l
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From PV=nRT whereby n= mass per molar mass therefore PV=mRT over Mr making subject m it will be m =PV over RT substuting the above data 25+273 in kelvin 298k then m=740x 250/ 0.0821 x 298 multiply and divide the above eqn u will get the answer
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Which description accurately represents a water molecule? (1 point)
bagirrra123 [75]

The description which accurately represents a water molecule is slightly negative oxygen pole, slightly positive hydrogen poles.

Water is a polar molecule. This means that the molecule has a dipole moment.

The polarity of water arises from the difference in electronegativity between hydrogen and oxygen.

Hence, in water molecule, oxygen is slightly negative and hydrogen is slightly positive thereby resulting in a dipole.

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If the partial pressure of oxygen outside of a cell is 100 mmHg and the partial pressure of oxygen inside of a cell is 25 mmHg,
mrs_skeptik [129]

" There will be a net movement of oxygen from outside the cell to inside the cell " Statement is True.

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