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bogdanovich [222]
2 years ago
7

Filtration, devastation, and evaporation are examples of

Chemistry
1 answer:
Mariana [72]2 years ago
4 0
The answer is B :33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333
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Can u give me them please
rewona [7]
Idk duno sowwy OK sorry
8 0
3 years ago
5. A 180 mL disinfectant solution contains 85 mL of isopropyl alcohol. Determine the V/V
lyudmila [28]

The % V/V concentration of a 180-mL disinfectant solution containing 85 mL of isopropyl alcohol is 47 % V/V.

<h3>What is the % V/V concentration?</h3>

It refers to the milliliters of solute for every 100 milliliters of solution.

We have 180 mL of a disinfectant solution that contains 85 mL of isopropyl alcohol (solute).

The % V/V concentration of this solution is:

% V/V = (mL solute/mL solution) × 100% =

% V/V = (85 mL/180 mL) × 100% = 47% V/V

Learn more about % V/V here: brainly.com/question/17055828

#SPJ1

7 0
1 year ago
True or False When one side of a molecule is electronegative (δ-) and the other side of the
lesya [120]

Answer:

True; When one side of a molecule is electronegative (δ-) and the other side of the

molecule is electropositive (δ+), it is said to have a dipole moment.

Explanation:

A dipole moment exists in a molecule as a result of differences in the electronegativity values between the atoms of the elements involved in the chemical bonding.

When a strogly electronegative atom such as oxygen or chlorine is chemically bonded to a less electronegative or an electropositive atom such as hydrogen, there is an uneven sharing of the electrons involved in the bonding. The more electronegative atoms tends to draw the shared electrons mostly to themselves. This induces a partially negative charge (δ-) on them while leaving the electropositive atoms with a partially positive charge (δ+).

Water is an example of a molecule having a dipole moment. The oxygen atoms are more electronegative than hydrogen and as such draw the shared electrons to themselves more, inducing a partial positive charge (δ+) on the hydrogen atoms while they themselves develop a partial negative charge (δ-).

8 0
2 years ago
Temperature is used to measure the movement of particles such as atoms and molecules. As temperature increases, what is true of
ch4aika [34]
This is thermodynamics. When you increase the temperature of an object, the particles gain on kinethic energy ergo the move faster. When you decrease it, they slow down.
6 0
2 years ago
Read 2 more answers
What occurs when ions from the the sun strike air molecules
damaskus [11]
Auroras occur when ions from the Sun strike air molecules, causing them to give off bright colors of light.-google
6 0
3 years ago
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