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3 years ago

A recently depolarized area of a cell membrane cannot generate an action potential because of the

Chemistry

2 answers:

Ann [662]3 years ago

8 0

It can not generate an action potential because of the absolute refractory period.

marysya [2.9K]3 years ago

4 0

The refractory period makes the cell rest. In this period, the cell becomes able to depolarize again by collecting ions.

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True or False: Rubbing a balloon on your head for a longer amount of time will increase the attractive force of the balloon.

Andreyy89

Answer:

Explanation:

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3 years ago

A) Calculate the molar mass of ethanol, C2H5OH and water, H20. C2H5OH = H2O = I

Mrrafil [7]

Answer:

1-46

2-18

Explanation:

c=12 H=1 O=16

ethanol (12×2)+(6×1)+(16)=46

water (2×1)+(16)=18

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3 years ago

Name at least 3 ways the Periodic Table is organized. *

Lesechka [4]

Answer:

The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.

Explanation: Cause I'm smart like that!

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3 years ago

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Zinc + Hydrochloric acid — Zinc chloride + Hydrogen [Zn +2 HCI → ZnCl2 + H2] is an

Jet001 [13]

Double replacement i believe

6 0

3 years ago

Vitamin C contains the elements C, H, and O. It is known to contain 40.9% C and 4.58% H by mass. The molar mass of vitamin C has

soldier1979 [14.2K]

Answer:

C₆H₈O₆

Explanation:

First off, the percent of oxygen by mass of vitamin C is:

100 - (40.9+4.58) = 54.52 %

Assume we have one mol of vitamin C. Then we would have 180 grams, of which:

180 * 40.9/100 = 73.62 grams are of Carbon

180 * 4.58/100 = 8.224 grams are of Hydrogen

180 * 54.52/100 = 98.136 grams are of Oxygen

Now we convert each of those masses to moles, using the elements' respective atomic mass:

C ⇒ 73.62 g ÷ 12 g/mol = 6.135 mol C ≅ 6 mol C

H ⇒ 8.224 g ÷ 1 g/mol = 8.224 mol H ≅ 8 mol H

O ⇒ 98.136 g ÷ 16 g/mol = 6.134 mol O ≅ 6 mol O

So the molecular formula for vitamin C is C₆H₈O₆

8 0

3 years ago