3 years ago

What causes hydrogen bonding between water molecules?

Biology

1 answer:

MA_775_DIABLO [31]3 years ago

7 0

Answer:

I believe it's the valence electrons.

Explanation:

Hope this helps!

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name of name very small organized structure that is bounded by a membrane that is the basic unit of structure and function in al

svetlana [45]

The answer is the cell :D

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3 years ago

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Human blood type AB is a trait that is the result of what pattern of inheritance?

maksim [4K]

Answer:

If an individual inherits one or two more forms from A from their mother and one or two more forms B from their father, they have blood type AB.

Explanation:

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3 years ago

Black coffee has a pH around 5; hand soap has a pH of 10. How many times more acidic is coffee relative

Anon25 [30]

Answer:

$\boxed {\boxed {\sf 10^5 \ or \ 100,000 \ times \ more \ acidic}}$

Explanation:

The pH scale stands for the power or potential of hydrogen. It measures how acidic or basic a solution based on the concentration of hydrogen ions and a scale from 1 to 14.

This scale is unique because it is logarithmic. So, every time the pH changes by 1 on the scale, the actual concentration of the solution increases or decreases by a tenfold.

So, a solution with a pH of 7 is ten times more acidic than a solution with a pH of 8. This can be translated to:

$10^ {difference \ in \ pH}$

The black coffee has a pH of 5 and the hand soap has a pH of 10. We want to find how many times more acidic coffee is, so we subtract 5 from 10 and get 5. The difference in pH is 5.

$10^5=100,000$