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harina [27]
3 years ago
12

Which 2 particles in a atom are equal in number

Chemistry
1 answer:
raketka [301]3 years ago
7 0
Protons and electrons
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8. An unknown mixture that is uniform, does show the Tyndall Effect, and does
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Answer:

B. Colloid

Explanation:

Colloid is a mixture that is made up of very small homogeneous particles, thus can not be separated into fractions. Its particles do not settle as other solution, but are evenly dispersed in the medium. Some examples are: liquid milk, jelly, rubber etc

Since colloid is a solution, thus it is made up of two parts; its particles and dispersing medium.

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How many valence electrons does Oxygen have:<br> a) 3 <br> b) 5 <br> c) 13
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it has 6?

Explanation:

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2 years ago
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Match the mixture with its description.
Fiesta28 [93]

Solution – A. 

Emulsions – B.

Colloid – C.

Homogenous – D.

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3 years ago
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3 years ago
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If a sample of N2 gas has an initial pressure of 500 Torr and volume of 0.5 L, what will the final volume be if the pressure is
kherson [118]

Answer:

V₂ = 0.4 L

Explanation:

<u>Data:</u>

  • P₁ (initial pressure) = 500 torr
  • V₁ (initial volume) = 0.5 L
  • P₂ (final pressure) = 700 torr

<u>Wanted:</u>

  • V₂ (final volume)

<u>Equation:</u>

  • P₁V₁ = P₂V₂  →  V₂ = P₁V₁ / P₂

<u>Solution:</u>

  • V₂ = \frac{(500 torr)(0.5 L)}{700 torr} = 0.3571 L or 0.4 L
8 0
2 years ago
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