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artcher [175]
3 years ago
9

If the lipid bilayer were to contain the K+ channel protein, what would pass through the membrane if you added a 1 M solution of

sodium chloride on the left side and a 1.5 M solution of potassium ions on the right? Assume that there is an equal amount of water on each side at the start of the experiment.
Chemistry
1 answer:
eduard3 years ago
8 0

Answer:

Water will move from right to left initially and after that backwards

Potassium ions through the membrane from right to left

Explanation:

Lipid bilayer is a semipermeable membrane that allows transer of only selected molecules thruogh its channel and water molecules.

In the given liplayer, K+ channel is present, so only potassium ions can pass though it.

1 M solution of sodium chloride added to left

1.5 M solution of potassium chloride added to the right.

So, left side has more ions as compared to right side as 1 NaCl has two ions.

So, water will move from right to left initially, but once potassium ions will move from right to left, the water will move backwards (from left to right)

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The chemical equation for a reaction between K2Cr2O7 and HCl is shown. K2Cr2O7 + 14HCl → 2CrCl3 + 2KCl + 3Cl2 + 7H2O
guapka [62]

<u>Answer: </u>The correct answer is Option b.

<u>Explanation:</u>

Oxidizing agent is defined as the chemical reagent which helps the other chemical compound to get oxidized and itself gets reduced. The oxidation state for these species gets reduced because they are undergoing reduction reaction.

For the given chemical equation:

K_2Cr_2O_7+14HCl\rightarrow 2CrCl_3+2KCl+3Cl_2+7H_2O

Oxidation state of Chromium is getting reduced from +6 to +3 and oxidation state of chlorine getting increased from -1 to 0.

Hence, K_2Cr_2O_7 acts like and oxidizing agent because it is itself getting reduced to CrCl_3

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A student claims that if she wanted to make a solution quickly, she should use small pellets instead of powder along with heatin
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Explanation:

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