Which layer of Earth is responsible for the movement of tectonic plates?

1 answer:

5 0

Convection currents in the mantle are what causes the movement of tectonic plates. As the extremely hot molten material from the mantle rises toward the crust, it cools enough to become denser and sink back into the hotter area of the mantle.

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ICl has a higher boiling point than Br2. What is the best explanation for this?

Flura [38]

<span>The best answer is B. ICl experiences induced dipole-induced dipole interactions. Both iodine and chlorine belongs to the same group of the periodic table. Electronegativity decreases as you go down a group therefore Cl will have a greater attraction with the bond it forms with another atom. Dipole-dipole interactions form between I and Cl. For the Br2 molecule, no dipole occurs because they are two identical atoms. Therefore we will be expecting ICl will have a higher boiling point due to higher binding energy it forms.</span>

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3 years ago

How many moles of lithium nitrate<br> (LINO3) are in 256 mL of a 0.855 M<br> solution?

sweet [91]

Answer:

There are 0.219 mol of LINO3

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3 years ago

Calculate the density for a rectangular block using the following measurements: Length = 10 cm, Width = 1.1 cm, Height = 15 cm,

Ksivusya [100]

Answer:

0.40 g/cm3

Explanation:

density = mass / volume.

mass = 65.2 grams

volume = 10*1.1*15=165 cm3

so density = 65.2/165=0.40 g/cm3

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3 years ago

Density is a derived unit of mass / volume.

lapo4ka [179]

Answer:

1kg/L

Explanation:

1.) convert grams to kilograms

1000g÷1000=1kg

2.)use formula to find density

$density = \frac{mass}{volume}$

= 1kg/1.0L

=1kg/L

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2 years ago

Why do scientists look for patterns in the world?

noname [10]

Answer:

to forcast the future

Explanation:

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3 years ago