The rate and direction of reactions are greatly influenced by the _____.

Biology

2 answers:

UkoKoshka [18]2 years ago

5 0

Answer:

The law of mass action and molecular concentration

Explanation:

Law of mass action: According to this law, the rate of chemical reaction is directly proportional to the masses of the reacting substance, at a constant temperature.

Molecular concentration: It is no of moles of solute dissolved in a liter of solution. No of molecules of reactants increases when we increase the molecular concentration of the reactant, which in turn increases the frequency of collision and hence the rate of reaction and direction.

VladimirAG [237]2 years ago

3 0

The rate and direction of reactions are greatly influenced by the Law of Mass action or molecular concentration because they relate to the same principle

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A red blood cell with an osmolarity of 300 mOsM (non-penetrating solutes) swells but does not lyse when placed in a 300 mOsM sol

Mashcka [7]

Answer:

See below for answer

Explanation:

A. 200 mOsM NaCl

This solution is hypotonic to the red blood cell (RBC) with penetrating solute. The RBCs will swell up and burst because the water will move into the cells.

B. 400 mOsM urea

This solution is hypertonic to the RBCs with non-penetrating solutes. Water will leave the cells via osmosis and the cells will shrink and appear shriveled.

C. 100 mOsM urea plus 200 mOsM NaCl

This time both penetrating and non-penetrating solute is present. The solution is isotonic to the RBCs and although there will be movement of water between the cells and the solution, there will be no overall change in the concentration of water for each and no change in appearance of the cells.

D. 300 mOsM urea

The RBCs will not lyse nor shrivel as again the solution is isotonic to the RBCs.

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3 years ago

The plasma membrane(cell membrane)is made up of a(n)

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phospholipid bilayer, which is two layers of phospholipids back-to-back

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3 years ago

If you help me ill mark you brainliest

Ymorist [56]

I had to take a screenshot of my response since it was getting flagged for being inappropriate for some reason.