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rusak2 [61]
3 years ago
13

Can you cry under water?

Chemistry
2 answers:
Sophie [7]3 years ago
8 0
Your eyes would cry underwater normally because you eyes will still produce salt water. Crying underwater wouldn't be like crying out of water. I say this because if your underwater, water surrounds you on every side of your body. The slat water that you'd cry would only add an extremely small amount of more water to whatever body of water your in. Out of water, your tears fall down your face if enough potential energy is built up. Underwater, you won't even notice that your crying. Plus, when underwater, you'd probably be having a good time and wouldn't want to cry about something hard in life!

Hopefully this helps!! :)
gizmo_the_mogwai [7]3 years ago
5 0
Hello there,

Can you cry under water?

Yes, You can cry under water.There is no pressure under water that causes you not to cry.You may not realize that you are crying because there water surrounding you all over your body. But it is certain that you can cry under water.

Hope this helps.

~Jurgen

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What is meant by ion and salt
Neko [114]

<u>Answer:</u>

<u>Ion</u>

Ion is a charged particle.

A neutral atom contains equal number of positive protons and negative electrons

When an electron is lost or gained the atom becomes a charged particle which is called as an ION.

For example  

Na is an atom which contains 11 electrons and 11 protons(= to atomic number)

When Na loses an electron it will have 11 positive proton and 10 negative electron and Thus, Na will become Na^+, a charge particle which we call it as sodium ion.

Cl is an atom which contains 17 electrons and 17 protons(= to atomic number)

When Cl loses an electron it will have 17 positive proton and 18 negative electron and Thus, Cl will become Cl^-, a charge particle which we call it as chloride ion.

When an ion is positively charged it is called as a cation

When an ion is negatively charged it is called as an anion.

Salt is formed when an acid reacts with a base.

The cation of the base combines with the anion of the acid to form the salt.

$Acid+Base>Salt+water

HCl is acid and NaOH is a base forms salt NaCl and water.

Cl^- is an anion of the acid and Na^+ is the cation of the base combines to form NaCl salt .

H^+and OH^- combines to form H_2 O  

8 0
3 years ago
What is the energy of an electromagnetic wave with a electromagnetic wave with a frequency of 3 * 10 Hz ?
Olin [163]

Answer:

E=1.989*10^{-32}J

Explanation:

From the question we are told that:

Frequency f=3 * 10 Hz

Generally the equation for Energy of an electromagnetic wave is mathematically given by

 E=hf

Where

  h=Planck's constant

  h=6.62607015 * 10^{-34}

Therefore

 E=6.62607015 * 10^{-34}*3 * 10

 E=1.989*10^{-32}J

8 0
3 years ago
Croquet balls must have a mass of 0.50 kg. A red croquet ball, moving at 10
julsineya [31]

The final speed of the  green ball : 8.5 m/s

<h3>Further explanation</h3>

Given

mass of Croquet ball = 0.5 kg

v₁= 10 m/s

v₁'= 1.5 m/s

Required

the final speed

Solution

The law of conservation of momentum

m₁v₁ + m₂v₂ = m₁v₁ '+ m₂v₂' (1=red croquet ball, 2=green croquet ball)

v₂=0 (at rest)

Input the value :

\tt 0.5\times 10+0.5\times 0=0.5\times 1.5+0.5\times v_2'\\\\5=0.75+0.5v_2\\\\4.25=0.5v_2\rightarrow v_2=8.5~m/s

8 0
3 years ago
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Kazeer [188]

Answer:

Explanation:

                       

5 0
4 years ago
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What is the significance of Einstein's famous equation E = mc 2 ?
statuscvo [17]
(D) Mass and energy can convert to one another.
3 0
3 years ago
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