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shutvik [7]
3 years ago
9

The molecular structure of water contains two atoms of hydrogen and one atom of oxygen. When water reaches its boiling point and

turns into water vapor, what happens to its molecular structure?
Chemistry
1 answer:
irina1246 [14]3 years ago
4 0
The water molecule is no longer attracted as much to the other molecules due to the hydrogen bonds. As you boil the water (add energy) the kinetic energy of the water molecule increases which eventually becomes stronger than the multiple hydrogen bonds that was keeping the water molecules together. So essentially the water molecule "escapes" and and is able to go to the gas state. I hope that answers your question
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Heavy elements, like uranium, were/are created _______________. a. in supernovae and star collisions b. all of the above c. in t
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Answer:

a. in supernovae and star collisions

Explanation:

The periodical table contains some heavier elements, which are formed as neutron stars pairs hit eachother and erupt cataclysmically.

The star emitts very large quantities of energy and neutrons during supernova, which allow for the production of heavier elements than iron, such as uranium and gold. All these elements are ejected into space during the supernova explosion.

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What are heterogeneous and homogeneous?
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If the volume of a balloon is doubled while the temperature is held constant, what change occurs to the pressure?
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Find the volume of 0.130M sulfuric acid necessary to react completely with 65.9g sodium hydroxide
xxTIMURxx [149]

The volume of the 0.130 M sulfuric acid, H₂SO₄ required to react completely with 65.9 g sodium hydroxide, NaOH is 6.34 L

  • We'll begin by calculating the number of mole of in 65.9 g sodium hydroxide, NaOH. This can be obtained as follow:

Mass of NaOH = 65.9 g

Molar mass of NaOH = 23 + 16 + 1 = 40 g/mol

<h3>Mole of NaOH =?</h3>

Mole = mass / molar mass

Mole of NaOH = 65.9 / 40

<h3>Mole of NaOH = 1.6475 mole</h3>

  • Next, we shall determine the number of mole of H₂SO₄ needed to react with 1.6475 mole of NaOH. This can be obtained as follow:

2NaOH + H₂SO₄ —> Na₂SO₄ + 2H₂O

From the balanced equation above,

2 moles of NaOH reacted with 1 mole of H₂SO₄.

Therefore,

1.6475 mole of NaOH will react with = \frac{1.6475}{2} \\\\ = 0.82375 mole of H₂SO₄.

  • Finally, we shall determine the volume of 0.130 M sulfuric acid, H₂SO₄ required for the reaction.

Molarity of H₂SO₄ = 0.130 M

Mole of H₂SO₄ = 0.82375 mole

<h3>Volume of H₂SO₄ =? </h3>

Volume = mole / Molarity

Volume of H₂SO₄ = 0.82375 / 0.130

<h3>Volume of H₂SO₄ = 6.34 L </h3>

Therefore, the volume of the 0.130 M sulfuric acid, H₂SO₄ required for the reaction is 6.34 L

Learn more: brainly.com/question/7882345

5 0
3 years ago
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