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3 years ago

10

You do not see any clouds in the sky, which inference could you make about the weather??

1 answer:

RUDIKE [14]3 years ago

7 0

Answer:

Explanation:

This indicate that there is a type of pressure or anticyclone that is affecting the area. This means Air would sink down slowly, instead of it rising and cooling.

It happen that Sometimes the clouds heat up and the liquid water will change into vapor. The water droplets present in the clouds will not be as heavy as the surrounding air

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What ion is oxygen likely to form?

Leto [7]

It's most natural state has a charge of -2. So, a negative ion with two more electrons than is normal.

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3 years ago

Construct a three-step synthesis of 1,2-epoxycyclopentane from cyclopentanol by dragging the appropriate formulas into the bins.

vladimir2022 [97]

Answer:

(1) Bromination, (2) E2 elimination and (3) epoxidation

Explanation:

In the first step, -OH group in cyclopentanol is replaced by more facile leaving group Br by treating cyclopentanol with $PBr_{3}$

In the second step, E2 elimination in presence of strong base e.g. NaOEt/EtOH produce cyclopentene

In the third step, treatment of cyclopentene with mCPBA produces 1,2-epoxycyclopentane

Full reaction scheme has been shown below

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3 years ago

Stage in a star's evolution formed as the core of a main sequence star uses up its helium and the outer layers escape into space

Lena [83]

Answer: the answer is white dwarf

Explanation:

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3 years ago

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The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. The isotope c

mylen [45]

Answer:

The answer is 37amu

Explanation:

We are given:

Chlorine-35: atomic mass =35 amu and percent abundance =75.5% ≡ 0.755

Chlorine-37: atomic mass = x amu and percent abundance =24.5% ≡ 0.25

From table, relative atomic mass of Chlorine is 35.5

⇒(0.755 × 35) + (24.5 × x) = 35.5

26.402 + 24.5x = 35.5

∴ x = 9.075 ÷ 24.5 = 0.37 ≡ 37.

∴ mass of Chlorine 37 = 37amu

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3 years ago

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What is the main difference between protons and neutrons?

kykrilka [37]

Answer:

Protons have a much larger volume than neutrons.

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3 years ago

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