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2 years ago

Bleeding disorders can result from the lack of

Biology

1 answer:

Paha777 [63]2 years ago

8 0

Answer:

Bleeding disorders can result from the lack of vitamin K

Explanation:

Vitamin K is a fat-soluble vitamin critical for proper blood clotting. Deficiency is associated with easy bleeding. Besides its role in blood coagulation, vitamin K is also important for healthy bones. Symptoms of deficiency include: Nose bleeds Easy bruising, Bleeding gums, Heavy menstrual bleeding , and Blood in the urine.

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Which of the following would be the best volume of water to use in group C?

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The best volume of water to use in group c is ocean

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3 years ago

Why is the action of phagocytes considered a nonspecific response?

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2 years ago

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HELP FAST! PHYSICAL SCIENCE salt is added to a flask of water. the flask is sealed and shaken for several minutes.After being sh

densk [106]

Answer:the following can be done to allow more NaCl to dissolve;

1.) heating the mixture.

2.) Addition of extra water to the solution.

Explanation:

When sodium chloride is dissolved in water, the polar water molecules are able to work their way in between the individual ions in the lattice. The water molecules surround the negative chloride ions and positive sodium ions and pull them away into the solution. This process is called dissociation. Now when the solution is heated, the rate of the dissociation between the two molecules increases leading to more dissolution of NaCl. Also in the absence of heating, more Water molecules can be added to the solution to decrease it's saturation thereby favouring the dissolution of more NaCl.

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2 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.

$10^5=100,000$

Coffee is <u>10⁵ or 100,000 times more acidic than hand soap.</u>

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2 years ago

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rewona [7]

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3 years ago