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aliya0001 [1]
2 years ago
7

What are two important uses of petroleum

Physics
2 answers:
Delvig [45]2 years ago
5 0
Some are fuel,chemicals,plastics,asphalt,and road oil.
kari74 [83]2 years ago
3 0
Mostly fuel and jelly are made by petroleum
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C. Lack of mates. If they cannot reproduce enough, their size will reduce.
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A book is resting on the table. Forces are exerted _____.
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Will mark brainliest! Please help!
djverab [1.8K]

Answer:

30 seconds

Explanation:

A = A02^-(t/hl)

--> ln(A/A0) = -(t/hl)ln2

solving for hl,

hl = -t x ln2 /ln(A/A0)

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3 years ago
The compound ethylene (C2H4) is represented by this diagram. What statement best describes the arrangement of the atoms in an et
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<u>Answer:</u> The correct answer is two electrons are shared between each hydrogen atom and the carbon atom bonded to it, and four electrons are shared between the carbon atoms.

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The bond present between hydrogen and carbon atoms or carbon and carbon atoms are covalent bonds. A covalent bond is formed by the sharing of electrons between the atoms combining.

A double bond is present between carbon and carbon atoms. So 2 pairs of electrons are shared which means in total of 4 electrons are shared.

Bond present between hydrogen and carbon atoms are single bonds. So, a pair of electrons is shared which means that in total of 2 electrons are shared.

Hence, the correct answer is two electrons are shared between each hydrogen atom and the carbon atom bonded to it, and four electrons are shared between the carbon atoms.

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3 years ago
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Light with an intensity of 1 kW/m2 falls normally on a surface and is completely absorbed. The radiation pressure is
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Explanation:

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I kW = 1000 J/s

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The speed of light = 3 x 10⁸ m/s

Thus, the radiation pressure of the light is calculated as;

Radiation \ pressure = \frac{1000}{3*10^{8}} \\\\Radiation \ pressure =3.33*10^{-6} \ Pa

Therefore, the radiation pressure of the light is 3.33 x 10⁻⁶ Pa.

6 0
3 years ago
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