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Stells [14]
3 years ago
11

What temperature and density changes occur in convection cells of a fluid or plastic material?

Chemistry
2 answers:
exis [7]3 years ago
4 0
Hello! The warmer temperature in a fluid rises and becomes less dense as the cooler temperature sinks and becomes more dense. Hope this helps! :)
saw5 [17]3 years ago
3 0

When the cold areas are warmed up, their density drops and they arise. Finally, they cool, sink and replicate the manner all over anew. The decision is a circular motion or current in the running part of the mantle. This method is described as convection.

<h3>Explanation:</h3>

The great point to retain is that heat flows from heated areas to cool areas. In the asthenosphere, you have unusual areas that are warmer than others. Convection is also subject for currents in the air. Hot air (a gas) increases near the equator and continues to the poles, where it cools, grows thicker and descends.

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4.8 moles of Kl are dissolved in 850 mL of water. What is the molarity of the solutions?
AURORKA [14]
Hey there!

Molarity = 4.8/850 x 1000 =5.647mol/lit or 5.65M

Hope this helps you dear :)
Have a good day :)
4 0
2 years ago
Silicon is an element that is found directly underneath carbon in the periodic table and thus has similar properties to carbon,
kirza4 [7]

Answer:

            Four electrons are present in the valence shell of Silicon.

Explanation:

                   Valence shell electrons are those electrons which are present in the outermost shell of an atom. These valence shell electrons are responsible for in the formation of bonds with other atoms.

                   Silicon having atomic number 14 has fourteen electrons in its neutral state and has the electronic configuration as follow;

                                              1s², 2s², 2p⁶, 3s², 3p²

In given configuration the valence shell (outermost shell) is 3 and the number of electrons present in it are four i.e. 3s² and 3p² (2 + 2 = 4) respectively.

7 0
4 years ago
What is the formula mass for sodium chloride?
Zigmanuir [339]
Atomic mass of sodium is 22.9 g/mol
atomic mass of chloride is 35.45 g/mol
sodium chloride is 22.99 + 35.45= 58.44 g/mol
3 0
3 years ago
\ helppppp
vazorg [7]

Answer:

characteristics i believe

8 0
3 years ago
Read 2 more answers
NEED HELP QUICKLY!!! How many moles are in each of the following?
oksano4ka [1.4K]

Answer: a. 0.26mol

b. 0.000479mol

c. 1.12mol

Explanation: Please see attachment for explanation

6 0
3 years ago
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