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4 years ago

11

What is hydrophobic tail??

1 answer:

puteri [66]4 years ago

8 0

Answer:

Hydrophobic molecules and surfaces repel water. Hydrophobic liquids, such as oil, will separate from water. Hydrophobic molecules are usually nonpolar, meaning the atoms that make the molecule do not produce a static electric field.

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I don’t wanna fail if you know the answer pls help me :(

stealth61 [152]

Answer:

liquid and gas........................

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3 years ago

What is the lewis dot structure for Cu2S

Trava [24]

Answer:

LOL i belive its 200 because i did this exact same thing yesterday for homework and got it right so yeah, it should work. if it doesnt im sorry! but yeah XD sub to my yt channel too! DB_PLAYS <3

Explanation:

3 0

3 years ago

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What is the boiling point elevation constant, Kb, of diethyl ether if 38.2 g of the nonelectrolyte benzophenone, C6H5COC6H5, dis

kakasveta [241]

Answer: the boiling point elevation constant is $1.73^0C/m$

Explanation:

Elevation in boiling point is given by:

$\Delta T_b=i\times K_b\times m$

$\Delta T_b=T_b-T_b^0=$ = Elevation in boling point

i= vant hoff factor = 1 (for non electrolyte)

$K_b$ =boiling point constant = ?

m= molality

$\Delta T_b=i\times K_b\times \frac{\text{mass of solute}}{\text{molar mass of solute}\times \text{weight of solvent in kg}}$

Weight of solvent (diethylether)= 330 g = 0.33 kg

Molar mass of solute (benzophenone)= 182 g/mol

Mass of solute (benzophenone) = 38.2 g

$(35.7-34.6)^0C=1\times K_b\times \frac{38.2g}{182g/mol\times 0.33kg}$

$K_b=1.73^0C/m$

Thus the boiling point elevation constant is $1.73^0C/m$

3 0

3 years ago

Why are the orbits of planets only nearly circular and not perfectly circular?

Makovka662 [10]

Answer:

As the planets mass distribution around the sun changes, the point which the planets orbit changes slightly, disrupting any circular orbits

Explanation:

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3 years ago

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PLEASE HELP QUICKLY THANK YOU

zavuch27 [327]

Answer:

the answer is A

Explanation:

since during a cold front the cold air replaces the warm air

6 0

3 years ago

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