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den301095 [7]
2 years ago
9

Information about tectonic plate boundaries has been primarily found by scientists studying data from

Chemistry
2 answers:
taurus [48]2 years ago
8 0
Studying data from earthquakes!
DaniilM [7]2 years ago
3 0
Hello there! 

Scientists have found much information about tectonic plate boundaries by studying the data from earthquakes, and they are able to further improve investigation from there. Hope this helps! 

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The phase that is most likely to occur at high temperatures and high pressures is:
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WELL IT DEPENDS ON WHAT IT DOING IT TO BUT TRY SOLID
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2 years ago
The melting points for the compounds li2s, rb2s, and k2s are 900°c, 530°c, and 840°c, respectively. list these three compounds i
Mila [183]

Answer: The order of increasing lattice energy is Li_2S>K_2S>Rb_2S

Explanation: Lattice energy is defined as the energy required to break the intermolecular force that is responsible for the formation of a lattice.

Melting point is defined as the temperature at which solid gets converted into liquid due to the weakening of the bonds in the solid form.

  • Relation between lattice energy and Melting point:

The relationship between these two is direct.

\text{Lattice energy}\propto \text{Melting point}

More the melting point of a compound, more will be its lattice energy.

Order of increasing Lattice energy will be:

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7 0
3 years ago
A container of hydrogen at 172 kPa was decreased to 85.0 kPa producing a new volume of 3L. What was the original volume?
Aneli [31]

Answer:

<h2>The answer is 1.48 L</h2>

Explanation:

In order to find the original volume we use the same for Boyle's law which is

P_1V_1 = P_2V_2

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the original volume

V_1 =  \frac{P_2V_2}{P_1}  \\

From the question

P1 = 172 kPa = 172000 Pa

P2 = 85 kPa = 85000 Pa

V2 = 3 L

We have

V_1 =  \frac{85000 \times 3}{172000}  =  \frac{255000}{172000}  =  \frac{255}{172}  \\  = 1.482558139...

We have the final answer as

<h3>1.48 L</h3>

Hope this helps you

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2 years ago
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3 years ago
A student was given four unknown solutions. Each solution was checked for. conductivity and tested with. phenolphthalein. The re
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Answer: (3) C

Explanation:

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2 years ago
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