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sveticcg [70]
3 years ago
5

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky

Chemistry
2 answers:
Eduardwww [97]3 years ago
5 0

Winter because the winter solstice is the point when the sun is at its lowest making it the coldest day of the year

quester [9]3 years ago
4 0

Answer:

The correct answer is winter.

Explanation:

The orientation of the sunrise changes with the seasons. The southernmost sunrise and sunset points occur in the winter solstice. The winter months are the coldest of the year because the reserves of heat and solar energy in the atmosphere and on the Earth's surface are at their lowest point, because the sun is at its lowest point.

Have a nice day!

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When an atom loses electrons it becomes___
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<span>It becomes an </span>ion<span>. An atom that gains a negative electron, it becomes a negative </span>ion<span>. If it loses an electron it becomes a positive </span>ion<span>.</span>

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What is the cell membrane mostly made of
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Answer:

Lipids and protein.

Explanation:

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A 0.105 L sample of an unknown HNO 3 solution required 35.7 mL of 0.250 M Ba ( OH ) 2 for complete neutralization. What is the c
oksano4ka [1.4K]

Answer: 0.17M

Explanation:

The equation for the reaction is :

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From the balanced equation, we obtain :

nA = mole of acid = 2

nB = mole of the base = 1

From the question, we obtain:

Va = Vol. Of acid = 0.105L

Ma = conc. Of acid =?

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Mb = conc. of base = 0.25M.

We solve for the conc. of the acid using:

MaVa / Mb Vb = nA / nB

(Ma x 0.105) / (0.25x0.0357) = 2

Cross multiply to express in linear form. We have:

Ma x 0.105 = 0.25 x 0.0357 x 2

Divide both side by 0.105. We have

Ma = (0.25 x 0.0357 x 2) / 0.105

Ma = 0.17M

Therefore the concentration of the acid(HNO3) is 0.17M

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3 years ago
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Explanation:

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