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3 years ago

What is the tail of a comet made of? A. Heat B. Asteroids C. Melted materials D. Solar wind

Chemistry

2 answers:

blsea [12.9K]3 years ago

8 0

C. Melted materials for apex cheers m8s

grigory [225]3 years ago

3 0

It's actually made or gas and dust that can extend hundreds of millions of kilometers away from the coma. most comets actually have two tails a plasma tell made of ionized gas and a dust tail made of small solid particles.

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n acid with a pKa of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form

Nady [450]

Answer : The ratio of the protonated to the deprotonated form of the acid is, 100

Explanation : Given,

$pK_a=8.0$

pH = 6.0

To calculate the ratio of the protonated to the deprotonated form of the acid we are using Henderson Hesselbach equation :

$pH=pK_a+\log \frac{[Salt]}{[Acid]}$

$pH=pK_a+\log \frac{[Deprotonated]}{[Protonated]}$

Now put all the given values in this expression, we get:

$6.0=8.0+\log \frac{[Deprotonated]}{[Protonated]}$

$\frac{[Deprotonated]}{[Protonated]}=0.01$

As per question, the ratio of the protonated to the deprotonated form of the acid will be:

$\frac{[Protonated]}{[Deprotonated]}=100$

Therefore, the ratio of the protonated to the deprotonated form of the acid is, 100

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3 years ago

What aids in the digestion of fats and eliminates waste products?

Ulleksa [173]

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Explanation:

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3 years ago

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arlik [135]

Is this a multiple choice?

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3 years ago

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4 years ago

Convert 16 inches to feet

MrRa [10]

There is 12 inches in 1 foot.

Divide 16 with 12 to get feet

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1.33 is your answer

hope this helps

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4 years ago

Read 2 more answers