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Rus_ich [418]
3 years ago
11

Do Brain cells act and look like skin cells? Why or why not?

Physics
1 answer:
WARRIOR [948]3 years ago
3 0
Are there answer choices?
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How much heat is released when 12.0 grams of helium gas condense at 2.17 K? The latent heat of vaporization of helium is 21 J/g.
uranmaximum [27]
To determine the heat released by the process of condensation, we simply multiply the amount of the gas that condensed to the latent heat of vaporization. We do as follows:

Heat released = 21 J/g (12.0 g ) = 252 J of heat released
8 0
3 years ago
Read 2 more answers
Rita places a 2.5 kg block on a frictionless inclined plane that is 30 degrees above horizontal. She applies a horizontal force,
vitfil [10]

Answer:

14.2

Explanation:

find horizontal force of the weight = 2.5kg x 9.8 Sin30 = 12.3 N

to prevent the sliding she needs to pull horizontally

Fh = 12.3 /Cos 30 =14.2N

7 0
3 years ago
A negatively-charged ion always has more what?
lina2011 [118]
The negative charge comes from the electrons.

An ion is negatively charged means it has more number of electrons compared to protons.

Thus, a negatively-charged ion always has more of ELECTRONS.
7 0
3 years ago
An object on the moon feels lighter than the same object on earth. which statement explains this phenomenon?
natka813 [3]

Answer:

B

Explanation:

cause

7 0
3 years ago
What would happen to Earth if ocean floor were created at divergent boundaries at a faster rate than it is destroyed at converge
Gennadij [26K]

Answer:

The Earth would increase in volume

Explanation:

What would happen to Earth if ocean floor were created at divergent boundaries at a faster rate than it is destroyed at convergent boundaries?

Divergent boundaries are boundaries where plates pull away from each other, forming mild earthquakes and volcanoes as magma comes to the surface. Earthquakes are as a result of vibrations travelling within the earth or ocean floors . Volcanoes occur as a result of the eruption of  molten magma from the ocean floor

In divergent boundaries, the plates pull away and and the weakened crust in between collapse leaving more space thereby increasing in volume.

Convergent boundaries are boundaries that pull into each other. mountain chains are formed as the two plates push into each other if they are of the same density.

4 0
4 years ago
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