CHEMISTRY HIGH SCHOOL

Many of water's emergent properties, such as its cohesion, its high specific heat, and its high heat of vaporization, result from the fact that water molecules _____. a) tend to repel each other.b) are very small.
c) are in constant motion.
d) are extremely large.
e) are electrically attracted to each other.

Answers

Answer 1
Answer:

Answer: are electrically attracted to each other

Explanation:Water molecules are attracted to each other by partial negative and positive charges on the oxygen and hydrogen atoms, respectively
Answer 2
Answer: The water molecules are electrically attracted to each other tend to repel because they want to move freely

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Given the balanced equation representing a reaction: 2na(s) + cl2(g) → 2nacl(s) + energy if 46 grams of na and 71 grams of cl2 react completely, what is the total mass of nacl produced? 1. 58.5 g 2. 117 g 3. 163 g 4. 234 g

Answers

Answer is: 2) 117g.
2Na + Cl₂ → 2NaCl
Step 1: calculate amount of substance of sodium and chlorine.
n(Na) = m(Na)÷M(Na) = 46g ÷ 23 g/mol = 2 mol.
n(Cl₂) = m(Cl₂)÷M(Cl₂) = 71g ÷ 71 g/mol = 1 mol.
Step 2: calculate amount of substance and mass of sodium-chloride.
Because both sodium and chlorine react completely, we can use both n to compare with n of NaCl.
n(Na) : n(NaCl) = 2:2, 2 mol : n(NaCl) = 2:2
n(NaCl) = 2mol, m(NaCl) = 2mol ·5805 g/mol = 117 g.

Justify water is compound

Answers

Water is a compound. A compound is made up of two or more elements. In the case of water, or H2O, there are 2 hydrogen atoms present and 1 oxygen atom. I hope this helps you on your assignment. Good luck!

Which is an example of a beneficial mutation? ANSWERRRR HELPPP !!! choices : one that changes the color of a rabbit, allowing it to hide from predators.

one that results in lighter flower petal colors without changing the plant’s ability to reproduce

one that causes a person’s body to produce thick mucus that clogs the lungs


one that makes it easier for a corn plant to contract a disease

Answers

Mutation can be defined as the change in the genetic sequence that is hereditary. The example of beneficial mutation can be the change of rabbit color to help him hide from the predators.

What are mutagens?

The mutation can be caused by the exposure of the gene sequence to the mutagen that cause the hereditary change.

The mutagens can be UV radiation, high energy, radiation, chemicals, or environmental factors.


The beneficial mutation can be given as the mutation in which the organism has been benefitted. The change in the color pf rabbit benefit him in hiding from the predators. Thus, option A has been the example of the beneficial mutation.

Learn more about mutation here:

brainly.com/question/17106056

Answer:

A

Explanation:

Is Jesus Christ real??

Answers

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yes i think he is real but it is what you think

If wine that's stored in barrels after fermentation is exposed to too much air, this could turn the wine intoa. yeast.
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Answers

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The breakdown of glucose is linked to cellular work by a chemical driveshaft known as

Answers

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