What is h20????????????????????

Answers

Answer 1

Answer:

Water, one of the most vital elements for life on Earth, has the chemical formula $H_20$ . It is made up of one oxygen atom and two hydrogen atoms joined together covalently.

Due to its polar nature, water can establish hydrogen bonds with other molecules, giving it special features including high surface tension, cohesiveness, and thermal stability. It serves as a solvent, a medium for metabolic reactions, and a mechanism for controlling temperature, all of which are essential for diverse biological activities. Water is also essential to the functioning of Earth's ecosystems since it erodes the land and supports a variety of aquatic life. Water is essential for supporting all forms of life because of its quantity and adaptability.

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Answer 2

Answer:

Answer:

H2O is the chemical formula for water or in simple language its is water

Explanation:

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Which of the following would be and example of an independent variable

Answers

An independent variable is something that will occur without something else happening. An example of an independent variable is when your income depends on the number of sales. In this situation, your income depends on how many sales you make, so therefore, the number of sales you make is the independent variable.

Why do atoms move at different speeds depending on whether they are in liquids or solids.

Answers

In a solid the atoms are tightly packed together and vibrate in place, in a liquid the atoms are loosely packed together and can move past each other,

extra: and in a gas the atoms are far apart and move freely and

The look and feel of a rocks surface is its what

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It's the Texture of the rock!

the answer is texture :):):):):):):):):):):):):)

Evidence that best supports the theory of biological evolution was obtained from the

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the homologous structures and the analogous structures of different species.

A 93-L sample of dry air is cooled from 145 oC to -22 oC at a constant pressure of 2.85 atmospheres). What is the final volume?

Answers

Answer:

56 L

Explanation:

We're dealing with a gas in this problem. We may, therefore, apply the ideal gas law for this problem:

$pV = nRT$

We now that we have a constant pressure. Besides, R, the ideal gas law constant, is also a constant number. Let's rearrange the equation so that we have all constant variables on the right and all changing variables on the left:

$(V)/(T) = (nR)/(p) = const$