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Zielflug [23.3K]
2 years ago
9

Where do reactions in a solid

Chemistry
1 answer:
alexgriva [62]2 years ago
3 0

Answer:

A

Explanation:

because solid stick together like magnetic and can feel every vibration

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What is the vapor pressure of an aqueous solution that has a solute mole fraction of 0.1000? The vapor pressure of water is 25.7
mafiozo [28]

Answer:

χsolvent = 1.0000 - 0.1000 = 0.9000

Use Raoult's Law:

Psolution = (χsolvent) (P°solvent)

x = (0.900) (25.756)

x = 23.18 mmHg (to four sig figs)

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3 years ago
Which is an acceptable Lewis structure for a diatomic nitrogen molecule?
timofeeve [1]
Nitrogen has 5 valence electrons (ve-), so a diatomic nitrogen molecule will have twice as many, 10 valence electrons. Then, just draw electrons in pairs of 2 until you both get ride of all of them (reach 0) and you fill every atom (eight electrons each). It can be drawn either way, the important thing is that there are 3 electron pairs shared between the two atoms.

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3 years ago
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Assuming the substance is one of those listed in the table presented in this lesson, what is the identity of the substance?
zepelin [54]

The identity of the substance is Iron.

<h3>Properties of Iron</h3><h3>Chemical properties</h3>
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  • The atomic weight of Iron is 55.847
  • The element iron belong to the group VIII of the periodic table
  • It is the fourth most prevalent element in the crust of the world
  • It is a highly reactive element as it gets rusted readily in the moisture of air
<h3>Physical properties</h3>
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  • High malleability and ductility
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8 0
1 year ago
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What is the sum of 16+ -20?
mr Goodwill [35]

Answer:

-4

Explanation:

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6 0
2 years ago
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Which of the following is true about the elements on the Periodic Table? There may be 1 or more correct answers.
nlexa [21]

Answer: 1. Block

2. True ( I'm unsure. He arranged it according to mass, but he is credited for the periodic table)

3. Noble gasses

4. technetium

5. Alkaline earth metals

6. Number of protons

7. False

8. Not true: generally decreases as atomic number increases within a period

9. Argon

10. Four

11. False

12. False

Explanation:

4 0
3 years ago
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