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kotegsom [21]
2 years ago
9

What is happening when an oxygen molecule is formed from two separate oxygen atoms?

Physics
1 answer:
pickupchik [31]2 years ago
6 0

Two from each oxygen atom. For examples of covalent bonding are water (H2O), and carbon dioxide (CO2). Covalent compounds are mostly gases or liquids with low melting points.

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A standing wave is the result of a reflection. 
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An object with a charge of 0.9 x 10^-5 C is separated from a second object with a chare of 2.5 x 10^-4 C by a distance of 0.5 m.
meriva

Answer: Force = 81 N

Explanation:

from Columbs law,

F = k(q1*q2)/r²

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A 15 W electric shaver is used for 3 minutes. How much energy does it use in joules?​
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2 years ago
The critical angle for a liquid in air is 520, What is the liquid's index of refraction? 0.62 0.79 1.27 1.50
sammy [17]

Answer:

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Explanation:

It is given that,

The critical angle for a liquid in air is, \theta_c=52^o

We have to find the refractive index of the liquid. Critical angle of a liquid is defined as the angle of incidence in denser medium for which the angle of refraction is 90°.

Using Snell's law as :

n_1sin\theta_c=n_2sin\theta_2

Here, \theta_2=90

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n_1=\dfrac{1}{sin(52)}

n₁ = 1.269

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