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rosijanka [135]
3 years ago
11

Why is water necessary for rusting to happen?

Chemistry
1 answer:
Triss [41]3 years ago
5 0
You need oxygen and water
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Solid waste is eliminated from the body through the esophagus agree or disagree
maria [59]
I very much Disagree.  The esophagus runs from your mouth to your stomach.
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2 years ago
Which of the following CANNOT be determined by looking at the spectra of a star? *
Rzqust [24]

Answer:

A:temperature

Explanation:

The temperature cannot be determined by looking at the spectra of the star due to lack of the equipment for its measurement. <em>On the other-hand, the remaining statements like the distance from earth, movement towards or away from earth can be determined.</em>

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3 years ago
How many moles are in 234.4 grams of oxygen
uysha [10]

Answer:

7.325 mol.

Explanation:

use the formula n=m/mr

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4 0
3 years ago
58. Which of the following aqueous solutions has the lowest freezing point? A. 0.2 M NaCl B. 0.2 M FeCl3 C. 0.2M sucros D. 0.2 M
m_a_m_a [10]

The correct option is D. 0.2 M CaCl2​ is has the lowest freezing point.

<h3>What is aqueous solution?</h3>

When one significance liquefies into another, a solution is formed. A solution is a homogenous mixture consisting of a solute dissolved into a solvent. The solute is the essence that is being dissolved, while the solvent is the dissolving medium. Solutions can be formed with multiple different classifications and forms of solutes and solvents. In this branch, we will focus on a resolution where the solvent is water.

  • An aqueous solution is a moisture that contains one or more dissolved essence. The dissolved importance in an aqueous solution may be solids, gases, or different liquids.
  • In directive to be a true solution, an assortment must be stable. When sugar is fully dissolved into moisture, it can stand for an undetermined amount of time, and the sugar will not recompense out of the solution. Further, if the sugar-water solution is passed through a filter, it will stay with the water.
  • This is because the liquefied particles in a resolution are very small, usually less than 1nm in diameter. Solute particles can be atoms, ions, or molecules, counting on the type of essence that has been dissolved.

To learn more about aqueous solution, refer to:

brainly.com/question/14469428

#SPJ9

6 0
1 year ago
What caused the bonding of two atoms which undergo an ionic bond?
kondaur [170]
<span>Since one is negative and one is positive they are held together by their electrostatic attraction to each other, much like how a north and south pole of a magnet attract.</span>
4 0
2 years ago
Read 2 more answers
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