3 years ago

A straight-chain alkene with seven carbons has two double bonds and one bromine atom bonded to one of the carbons.

1 answer:

5 0

As an example we can draw this structure
(H3)C-CH=CH-CH2-CH=CH-CH2-Br.

If we'll count all atoms we'll get
C7H11Br.
Answer is D.

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A burner is placed below the right side of a beaker. Which image shows the motion of the liquid that will result?

matrenka [14]

Answer:

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Explanation:

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3 years ago

A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?

andreev551 [17]

Answer: The frequency of the wave is 0.5 hertz.

Explanation:

$\nu =\frac{c}{\lambda }$

$\nu$ = Frequency of the wave

$c$ = speed of the light in m/s

$\lambda$ = Wavelength of the wave.

Here in question we are given with speed of the infrared light. So, we will replace the value of speed of light(c) from the given value of the speed of the infrared light.

Speed of infrared light = 6 m/s

$\nu =\frac{\text{speed of infrared light}}{\lambda }=\frac{6 m/s}{12 m}=0.5 hertz$

The frequency of the wave is 0.5 hertz.

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Two identical metal spheres at 8 °C are put into two beakers with equal amounts of water, as shown below.

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Answer:

Correct answer is B.

Explanation:

Took the test and got this right. :)

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Hope this helps!

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