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yaroslaw [1]
3 years ago
8

What is a percent volume of ethanol c2h60 in the final solution when 85 ml of it is diluted to a volume?

Chemistry
1 answer:
Ilya [14]3 years ago
3 0
34% I believe

Hope this helps!
STSN
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A houseplant is placed on a window sill that gets direct, bright sunlight
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Answer:

D. Phototropism

Explanation:

Plants, like every other living organism, responds to external stimulus. In this question, the stimulus is LIGHT from the sun entering through the window sill. The plant is responding positively to the light stimuli by growing towards the direction where the light is coming from. This exhibit is called PHOTOTROPISM.

Phototropism, comes from two words viz photo- meaning light and tropism- meaning movement. Hence, phototropism is the growth of an organism (plant in this case) in response to a light stimulus. The case described in this question is POSITIVE PHOTOTROPISM because the growth occurs towards the light source.

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Why must chemical equations be balanced?
Elina [12.6K]

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3 years ago
Explain the concept of "like dissolves like"
SCORPION-xisa [38]

Answer:

Like dissolves like" is an expression used by chemists to remember how some solvents work. It refers to "polar" and "nonpolar" solvents and solutes. Basic example: Water is polar. Oil is non polar. ... Like dissolves like, that means polar dissolves polar, so water dissolves salt.

Explanation:

7 0
3 years ago
Will mark brainliest!!
olga2289 [7]

Answer:

I think its B im not sure

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6 0
2 years ago
A chemical reaction in which bonds are created is usually associated with ________.
Nikolay [14]

A  reaction in which bonds are created is usually associated with the Release of energy.

What are the various types of bonds?

There are three sorts of bonds:

1. Electrovalent or  electrovalent bond

2.  chemical bond

3.  dative bond

Electrovalent or electrovalent bond are formed when one or more electrons are transferred from one atom to another.

Covalent bonds are formed when the atoms during a  molecule share an equal number of electrons.

A dative bond is one in which both electrons in a shared pair come from the same atom.

Now, atoms tend to stabilize once they form chemical bonds, releasing energy within the process. Energy is released because there's a higher level of stability associated with a low energy level.

Hence, a  reaction in which bonds are created is usually associated with the release of energy.

To know more about chemical bonds go to the given link:

brainly.com/question/20584851

#SPJ4

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