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nata0808 [166]
2 years ago
14

A transverse wave moves a medium at an abtuse angle to the wave , true or false ?​

Chemistry
1 answer:
skelet666 [1.2K]2 years ago
4 0

Answer:

True! A transverse wave does move a medium at an obtuse angle to the wave!!

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Lubov Fominskaja [6]
I think it’s B. I’m not 100% sure but I believe it is B! Srry if this is late btw.
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2 years ago
Why the ph of glycine increases when 0.1 M NaOH is added dropwise​
shtirl [24]

Answer:

The acid-base reaction produces glycine reduction, and hence the increase of glycine pH.

Explanation:

The glycine is an amino acid with the following chemical formula:

NH₂CH₂COOH  

The COOH functional group is what gives the acid properties in the molecule.      

Hence, when NaOH is added to glycine an acid-base reaction takes place in which COOH reacts with the NaOH added:

NH₂CH₂COOH + OH⁻ ⇄ NH₂CH₂COO⁻ + H₂O

The glycine concentration starts to shift to its ion form (NH₂CH₂COO⁻) because of the reaction with NaOH, that is why the pH glycine increases when NaOH is added.  

Therefore, the acid-base reaction produces glycine reduction, and hence the increase of glycine pH.  

I hope it helps you!  

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Why is oiling done time and again in a sewing machine​
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