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Inga [223]
3 years ago
10

he solutions in the arms of a U-tube are separated at the bottom of the tube by a selectively permeable membrane. The membrane i

s permeable to sodium chloride but not to glucose. Side A is filled with a solution of 0.4 M glucose and 0.5 M sodium chloride (NaCl), and side B is filled with a solution containing 0.8 M glucose and 0.4 M sodium chloride. Initially, the volume in both arms is the same.
Chemistry
1 answer:
GalinKa [24]3 years ago
3 0

If we examine after 3 days, there will be a decrease in the concentration of NaCl and a decrease in the water level.  

<u>Explanation:</u>

  • If we inspect the following 3 days, there'll be a reduction inside the convergence of NaCl and a lessening inside the water level. This focus is diminished in 2 different ways, by expanding the solute or diminishing the water.
  • Expanding the solute will build the arrangement's focus. This should be possible by just including a greater amount of your compound into the arrangement and dissolving it. It may not help in case you're utilizing a watery arrangement that is as of now disintegrated in water.

You can utilize a procedure called dialysis to diminish the water in an solution.

  • Spot your answer in a dialysis pack that is shaped of semipermeable substance. Presently place the pack in an answer which has a high grouping of a particle. Accordingly, water will be kept concealed separately from the pack through the semi-penetrable film by hurrying out of the sack to the arrangement.
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<h3>Further explanation</h3>

Basic oxides ⇒ metal(usually alkali/alkaline earth) +O₂

L + O₂ ⇒ L₂O

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Dissolve in water becomes = basic solution

L₂O+H₂O⇒ 2LOH

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So the basic oxides : Na₂O and MgO

Na₂O + H₂O⇒NaOH

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The aqueous solution of CO₂(dissolve in water)

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3 years ago
For the following hypothetical reaction: 3A + 3B —&gt; 2C. How many moles of B will you need to convert 4 moles of A into as man
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Do you still need this??

Explanation:

7 0
3 years ago
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Anarel [89]

Answer: Option (c) is the correct answer.

Explanation:

When current passes through a wire then a magnetic field is formed. Therefore, when two wires carry current in the same direction then both the wires with have respective magnetic fields in the same direction and their total magnetic field will be large.

But when current between two wires flow in opposite direction then the magnetic field produced will also be in opposite direction. Therefore, both the magnetic fields cancel each other out. Thus, total magnetic field will be small.

As a result, wires which carry current in the opposite direction repel each other.


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3 years ago
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Explanation
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First let’s start with B- number of electrons= number of protons which is equal to the atomic number. therefore, the answer is calcium as it’s atomic number is 20

C- magnesium will have three energy levels considering it has 12 electrons (2,8,2).

A- beryllium is the lightest one in group 2 as it has the atomic mass of 9.0122.
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