3 years ago

What process that brings heat from the lower mantle toward the crust?

1 answer:

4 0

Mantle convention, convection cells in the mantle, and produces horizontal motion of mantle material close to the Earth surface.

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a dextrose solution with a mass of 2.00 x 102g has 15.8 g of dextrose dissolved in it. what is the mass percent concentration of

yulyashka [42]

Answer:

7.9%

Explanation:

2x10^2=200g

15.8g

15.8/200x100g

15.8/2

7.9%

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3 years ago

Which of the following happens to a molecule of an object when the object is heated?

Amanda [17]

Answer:
It gains kinetic energy

Explanation:
When something is heated, it’s molecules move faster, like a liquid’s molecules. Since the molecules vibrate faster when it’s heated and kinetic energy is which a body possesses by virtue of being in motion. Therefore, the answer is it gains kinetic energy

5 0

4 years ago

Read 2 more answers

Which of the following is a definition of an acid? O a. releases heat when dissolved in water. O b. turns cloudy when dissolved

adell [148]

Answer: Option (d) is the correct answer.

Explanation:

According to Bronsted-Lowry an acid is defined as the specie which is able to donate hydrogen ions when dissolved in water.

For example, $HCl \rightarrow H^{+} + Cl^{-}$