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Chemistry

2 answers:

andrew-mc [135]3 years ago

5 0

Answer:

Option B. Decreasing the temperature of the solvent

Explanation:

Solubility is mostly enhanced by increasing the temperature of the solvent or solution. This means that am increase in temperature will increase the solubility and decreasing the temperature will decrease the solubility.

astraxan [27]3 years ago

5 0

Answer:

<h2>B. <em><u>Decreasing the temperature of the solvent</u></em></h2>

Explanation:

<h3><em>Makes The Most Sense </em></h3>

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Enter the number of unique signals in the 1H NMR spectrum of ethanol. Assume that the hydroxy proton does NOT exchange with the

ss7ja [257]

Answer:

In the 1H NMR spectrum of ethanol three different signals are observed, this is due to the existence of 3 types of hydrogens with different chemical environment. Hydrogens A (3.57 ppm) are more screened than C (1.10 ppm) due to the presence of oxygen (electonegative atom that removes electron density). The chemical environment of hydrogen B (4.78 ppm), attached directly to oxygen, is also different by resonating at a frequency different from the previous ones.

$C1HC_{3} -C2HA_{2} -OHB$

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Explanation:

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3 years ago