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Vinvika [58]
3 years ago
10

PLEASE HELP if u can i will mark u as brilliantbn

Chemistry
1 answer:
Vitek1552 [10]3 years ago
7 0

Explanation:

1. Electron Cloud

2. Protons

3. Very Reactive but could be Medium.

4. Electrons but don't know.

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Which of the following best describes the physical nature of the Earth's lithosphere and the asthenosphere?
Zarrin [17]

Answer:

 

The lithosphere is rigid and commonly deforms in a brittle manner; the asthenosphere tends to flow slowly and deform in a plastic manner.

5 0
3 years ago
At stp,a certain mass of gas occupies a volume of 790cm3. find the temperature at which the gas occupies 1000cm3 amd has a press
Luden [163]

The temperature : 332.75 K

<h3>Further explanation</h3>

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

volume of gas = 790 cm³ = 0.79 L

mol of gas at STP :

\tt \dfrac{0.79}{22.4}=0.035

Use ideal gas :

\tt PV=nRT

P=726 mmHg=0.955 atm

V= 1000 cm³ = 1 L

\tt T=\dfrac{PV}{nR}\\\\T=\dfrac{0.955\times 1}{0.035\times 0.082}\\\\T=332.75~K

3 0
3 years ago
What is the main process that happens in the mantle?
natali 33 [55]

Answer:

Mantle convection is the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. The Earth's surface lithosphere rides atop the asthenosphere and the two form the components of the upper mantle.

<em>I think it is helpful for you!!!!</em>

<em>Please make me brainliest</em>..

8 0
3 years ago
Carbon-12, Carbon-13 and Carbon-14 are examples of _______________ of the carbon atom.
Assoli18 [71]

Carbon-12, Carbon-13 and Carbon-14 are examples of isotopes of the carbon atom.


6 0
3 years ago
Read 2 more answers
Consider the ionization constants cyanic acid (HOCN) : Ka= 3.5×10−4; ammonia (NH3): Kb= 1.8×10−5. A solution
elixir [45]
The correct answer for this question is this one:

<span>2. acidic, because the anion hydrolyzes to a greater extent than the cation.
3. basic, because the cation hydrolyzes to a greater extent than the anion.
5. neutral, because the cation hydrolyzes to a greater extent than the anion.
7. neutral, because NH4OCN is a weak base/weak acid salt. 8. basic, because the cation and the anion hydrolyze to the same extent.
10. neutral, because the cation and the anion hydrolyze to the same extent.</span>
Hope this helps answer your question and have a nice day ahead.
6 0
4 years ago
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