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sleet_krkn [62]
3 years ago
10

Match these questions with the right letter answer choice

Chemistry
1 answer:
bazaltina [42]3 years ago
5 0

Answer:

1, B. 2, E. 3, D. 4, A. 5, C.

Explanation:

The reason why 1 and B match is because large loops of gas makes prominence by the kind of gas they use. This means that whatever kinds of loops they make, this makes this <em>prominence</em> and this concludes that the loops shapes and forms this kind of shape.

The reason why 2 and E match is because Solar Wind <em>does</em> occur, and this happens when our galaxy and atmosphere are energized, meaning that the specific layer was included with these two and Solar Wind. This was made from these two materials which created Solar Wind.

The reason why 3 and D match is because electrically means with wires, and it is a bit digital. Flare can somewhat mean "fast". This means that when they say that it is charged, meaning fast.There are similar meanings.

The reason why 4 and A match is because Magnetic Storms is because storms are part of the weather and by sunspot regions, this also means that this is part of weather, so both of these have to do with weather. This also has to do with sunspot regions because it is large amounts of heat and energy, meaning that this is strong weather just like magnets and storms.

The reason why 5 and C match is because Auroras are part of Solar Wind. This is <em>not</em> the answer Solar Wind because they wouldn't give away the answer in a question. This also means that Auroras is the answer because it affects the upper atmosphere of Earth. This means that they are Auroras since they <em>include</em> Solar Wind but it does not mean that it <em>is</em> Solar Wind, so the answer is Auroras.

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3 years ago
Why do you think knowing enthalpy of reaction might be useful?
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Explanation:

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You need to produce a buffer solution that has a pH of 5.26. You already have a solution that contains 10. mmol (millimoles) of
Andreas93 [3]

The question is incomplete, complete question is :

You need to produce a buffer solution that has a pH of 5.50. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pka of acetic acid is 4.74.

Answer:

33.11 millimoles of acetate we will need to add to this solution.

Explanation:

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

pH=pK_a+\log(\frac{[salt]}{[acid]})

Where :

tex]pK_a[/tex] = negative logarithm of acid dissociation constant of acid

[salt] = Concentration of salt

[Acid] = Concentration of salt

We have:

pH = 5.26

pK_a=4.74

[salt] =[CH_3COO^-] = ?

[acid] = [CH_3COOH]=10.0 mmol

5.26=4.74+\log(\frac{[CH_3COO^-]}{[10.0 mmol]})

[CH_3COO^-]=33.11 mmol

33.11 millimoles of acetate we will need to add to this solution.

3 0
4 years ago
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