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Lostsunrise [7]
3 years ago
5

How long dows it take a moon to reacg a ful phase

Chemistry
1 answer:
FrozenT [24]3 years ago
6 0

Answer:

about 29.5 days

Explanation:

it takes 27 days, 7 hours and 43 mins for our moon to complete a full orbit around the earth.

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Students in a lab used a hot plate to boil water. Which of the following illustrations best represents the change in the movemen
Digiron [165]

The second illustration is the best representation of the change in the movement of particles as the temperature of the water changes.

<u>Explanation:</u>

The second option perfectly represents the boiling of water. As when the temperature is increased, the water molecules gain energy to move faster, thus their kinetic energy of the atoms will be more. This will lead to more freely movement of all the atoms of the water.

And as boiling leads to transformation from liquid state to gaseous state, so the increase in the distance between atoms and molecules occurs in the gaseous state. Thus, the second illustration is best suitable for representing the boiling of water.

As on increasing temperature of the water, the distance between the molecules is increasing in the second illustration while the other illustration shows the decrease in the distance between the molecules. So, the second illustration is the best representation of the change in the movement of particles as the temperature of the water changes.

6 0
3 years ago
What is the total number of atoms in the formula<br> Ca(ClO3)2?
Contact [7]

Answer:

9 atoms

Explanation:

Ca=1

Cl=2

O=6

add them all

5 0
3 years ago
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Double-click on a sheet tab to _______ the sheet.
Vika [28.1K]
Copy it I think hp[e that is right lol
7 0
3 years ago
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The following animals is an endotherm? A. grasshopper B.horse C.lizard D.snake
adoni [48]

Answer:

snake

Explanation:

4 0
4 years ago
Carbon-14 has a half-life of 5,730 years. How long will it take for 112. 5 g of a 120. 0-g sample to decay radioactively? 5,730
vichka [17]

The time taken by Carbon-14 to decay radioactively from 120g to 112.5g is 22,920 years.

<h3>How do we calculate the total time of decay?</h3>

Time required for the whole radioactive decay of any substance will be calculated by using the below link:

T = (n)(t), where

  • t = half life time = 5730 years
  • n = number of half life required for the decay

Initial mass of Carbon-14 = 120g

Final mass of Carbon-14 = 112.5g

Left mass = 120 - 112 = 7.5g

Number of required half life for this will be:

  • 1: 120 → 60
  • 2: 60 → 30
  • 3: 30 → 15
  • 4: 15 → 7.5

4 half lives are required, now on putting values we get

T = (4)(5730) = 22,920 years

Hence required time for the decay is 22,920 years.

To know more about radioactive decay, visit the below link:

brainly.com/question/24115447

#SPJ1

3 0
2 years ago
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