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vladimir2022 [97]
3 years ago
6

If a bar magnet's neutral region is broken into two, what will most likely occur? A. Neither segment will have a north or south

pole. B. The segment that's longer will have a north and south pole. C. One segment will have only a north pole, the other segment will have only a south pole. D. Each of the two segments of the original bar magnet will have a north and south pole.
Chemistry
2 answers:
grigory [225]3 years ago
8 0
The answer is D I JUST TOOKM THE TEST
Eva8 [605]3 years ago
3 0

Answer:

The correct answer is "Each of the two segments of the original bar magnet will have a north and south pole."

Explanation:

A bar magnet has a north and a south pole. Irrespective of how many pieces the bar magnet is broken into each individual piece will have a north and a south pole.  Now each of the smaller magnets will align such that the south poles point in one direction and the north pole points in the opposite direction.

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Answer: The mass of oxygen that combines with nitrogen will be 2.272g.

Explanation:

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What is the mass (in g) of 0. 935 mol of acetone CH3COCH3 the molar mass of acetone is 58. 08 g∙mol^–1.
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54.30 grams acetone

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3 years ago
Strontium sulfate becomes less soluble in an aqueous solution when sodium sulfator is added because
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Answer:

The addition of sulfate ions shifts equilibrium to the left.

Explanation:

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In this case, according to the following ionization of strontium sulfate:

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It is evidenced that when sodium sulfate is added, sulfate, SO_4^{2+} is actually added in to the solution, which causes the equilibrium to shift leftwards according to the Le Ch athelier's principle. Thus, the answer in this case would be:

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2 years ago
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Please help me out i will give you brainlist. 0.500 is wrong
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<h3>Answer:  b) 0.250 mol</h3>

============================================

Work Shown:

Using the periodic table, we see that

  • 1 mole of carbon = 12 grams
  • 1 mole of oxygen = 16 grams

These are approximations and these values are often found underneath the atomic symbol. For example, the atomic weight listed under carbon is roughly 12.011 grams. I'm rounding to 2 sig figs in those numbers listed above.

So 1 mole of CO2 is approximately 12+2*16 = 44 grams. The 2 is there since we have 2 oxygens attached to the carbon atom.

-------------------

Since 1 mole of CO2 is 44 grams, we can use that to convert from grams to moles.

11.0 grams of CO2 = (11.0 grams)*(1 mol/44 g) = (11.0/44) mol = 0.250 mol of CO2

In short,

11.0 grams of CO2 = 0.250 mol of CO2

This is approximate.

We don't need to use any of the information in the table.

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3 years ago
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