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pav-90 [236]
3 years ago
13

Plz Help!!

Physics
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer:

The water releases energy which causes the water molecules to have less kinetic and potential energy, changing their configuration from liquid to solid.

Explanation:

The conversion of water to ice is a phase change from liquid to solid. There is no chemical action taking place in this process just the state of matter taking up a new form.

  • This phase change is called freezing.
  • In freezing, the liquid water loses energy to the surroundings.
  • By so doing, the water molecules have lesser energy
  • The then take up fixed position within the lattice.
  • This changes the state to solid with a well - ordered arrangement.
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A star ending its life with a mass of four to eight times the Sun's mass is expected to collapse and then undergo a supernova ev
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Answer:

r = 16 Km

Explanation:

given  

m_n= 1.67 x 10^-27 Kg

M_star = 3.88 x 10^30 Kg  

A= M_star/m_n

A= 3.88*10^30/1.67 x 10^-27

A=2.28 *10^57  neutrons                           A = The number of neutrons  

we use the number of neutrons as a mass number because the star has only neutrons. = 1.2 x 10-15 m

r = r_o*A^1/3

r = 1.2*10^-15*2.28 *10^57^1/3

r = 16 Km

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Hope this helped

Also can u pls mark me brainliest

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The combustion of ethanol, C2H5OH(l), in oxygen to form carbon dioxide gas and water vapor is shown by which balanced chemical e
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