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Citrus2011 [14]

3 years ago

13

What is neurilemma...explain citing its difference with Myelin Sheath

1 answer:

Dmitry [639]3 years ago

6 0

Neurilemma (also known as neurolemma, sheath of Schwann, or Schwann's sheath) is the outermost nucleated cytoplasmic layer of Schwann cells (also called neurilemmocytes) that surrounds the axon of the neuron. ... In the central nervous system, axons are myelinated by oligodendrocytes, thus lack neurilemma.

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Are the answers correct? if not please help fix them

Serggg [28]

Answer:

Looks like they're all right

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2 years ago

The orbit closest to the nucleus has ___________ energy.

deff fn [24]

Answer:

inonic bonds with cavalent bonds

Explanation:

ionic bonds

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3 years ago

How many post does it take to support a fence 200 ft long if a post is every 20 feet?

Art [367]

10 because you divide 200 by 20

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2 years ago

How many protons and neutrons are in the nucleus of Co2

pshichka [43]

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4 0

3 years ago

A mixture of water and acetone at 756 mm boils at 70.0°C. The vapor pressure of acetone is

Tatiana [17]

Given :

A mixture of water and acetone at 756 mm boils at 70.0°C.

The vapor pressure of acetone is 1.54 atm at 70.0°C, while the vapor pressure of water is 0.312 atm at the same temperature.

To Find :

The percentage composition of the mixture.

Solution :

By Raoult's law :

$P=x_{acetone}P^o_{acetone}+x_{water}P^o_{water}\\\\x_{acetone}1.58+x_{water}0.312=\dfrac{756}{760}=0.995\ atm\\\\1.58x_a+0.312x_w=0.995$ ......( 1 )

Also , $x_a+x_b=1$ ......( 2 )

Solving equation 1 and 2 , we get :

$x_a=0.54\ and \ x_w=0.46$ .

Mass of acetone ,

$m_a=x_a\times MM_a\\\\m_a=0.54\times 58\\\\m_a=31.32\ g$

Mass of water ,

$m_w=x_w\times MM_w\\\\m_w=0.46\times 18\\\\m_a=8.28\ g$

$\%water =\dfrac{8.28}{8.28+31.32}\times 100\\\\\%water =20.9\%\\\\\%acetone =79.1\%$

Hence , this is the required solution.

6 0

3 years ago