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natta225 [31]
4 years ago
8

Do you think that solids can undergo convection? explain

Chemistry
1 answer:
3241004551 [841]4 years ago
3 0
No. Solids by definition undergo conduction and only fluids can undergo convection.
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Olin [163]

1. C. Linus Pauling

2. C. chemistry

3. A. atom

4. D. protons, neutrons and electrons

5. B. positively

6. A. negatively

7. C. uncharged

8. D. carries a charge

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11. A. atoms

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16. D. compounds

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20. C. a number and a unit

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26. A. 1

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3 0
3 years ago
Which electron configuration is magnetic, paired or unpaired electrons
NISA [10]

Answer:

paired electrons is magnetic configuration

5 0
3 years ago
Identify What are the charges on ions of Group 1A,<br> Group 3A (aluminum), and Group 5A?
dalvyx [7]

Explanation:

 Group 1A         +1

 Group 3A         +3 or +1

 Group 5A         +5 or +3

The charges on an ion signifies the number of electrons that has been lost, gained or shared by an atom. These electrons are called valence electrons occupying the outermost shell of an atom.

 Group 1A element will readily be willing to lose an electron giving them a charge of +1

  Group 3A can lose either 1 or 3 electrons giving a charge of +3 or +1

  Group 5A can lose either 5 or 3 electrons giving a charge of +5 or +3

The number of lost electron confers the stability on the configuration.

Learn more:

Charges brainly.com/question/8849218

#learnwithBrainly

4 0
3 years ago
A cat runs 27 meters in 2 seconds. What is the velocity of the cat? (answer with up to 2 decimal places)
larisa86 [58]
Velocity = change in displacement/ change over time
V = 27/ 2 = 13.5m/s
3 0
3 years ago
Read 2 more answers
Predict the sign of ΔSsys for each of the following processes. Which are positive? (a) Gasoline vapors mix with air in a car eng
OLEGan [10]

Answer:

Positive: a and b

Negative: c

Explanation:

The entropy (S) is the measure of the randomness of the system, and it intends to increase. The randomness can be determined by the energy of the molecules, their velocity and how distance they are between the other molecules.

When the entropy increases, ΔS is positive, when the entropy decreases, ΔS is negative. So, when gasoline mix with air in a car engine, the process intends to continue, the randomness increases and ΔS is positive. When hot air expands, the distance between the molecules increases, so ΔS is positive.

But, when humidity condenses, the molecules stay closer, so there's a decrease in the randomness, then ΔS is negative.

6 0
4 years ago
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