The greenhouse effect can be compared to...

Chemistry

2 answers:

Soloha48 [4]2 years ago

5 0

Yep A is the right answer.

Nesterboy [21]2 years ago

3 0

A, a car parked in the sun with its windows closed.

The greenhouse effect is where there is so much pollution in the air, the heat from the sun cant escape the earth. just like a parked car with its windows closed, the heat generated inside of it will build up. all three other examples allow the heat to move freely.

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Carbon is a synthetic element and is not normally found in nature.<br><br> True or False

Inessa05 [86]

False. Carbon is definitely one of the 92 naturally occurring elements within the periodic table.

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Vinil7 [7]

Covalent compound as it is a bond between two non-metals

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How many iron atoms are in 0.32 mol of Fe2031? 3.9x 1023 jron atoms O 3.9 iron atoms O 6.02 x 1023 iron atoms 1.9 x 1023 iron at

Gennadij [26K]

Answer: $3.9\times 10^{23}$ iron atoms

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

$1 molecule of [tex]Fe_2O_3$ contains= 2 atoms of iron

$1 mole of [tex]Fe_2O_3$ contains= $2\times 6.023\times 10^{23}=12.05\times 10^{23}$ atoms of iron

thus 0.32 moles of $Fe_2O_3$ contains= $\frac{12.05\times 10^{23}}{1}\times 0.32=3.9\times 10^{23}$ atoms of iron

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3 years ago

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eimsori [14]

According to the PH formula:
PH= Pka +㏒ [strong base/weak acid]
when we have PH at the first equivalence =3.35 and the Pka1 = 1.4
So, by substitution, we can get the value of ㏒[strong base / weak acid]
3.35 = 1.4 + ㏒[strong base/ weak acid]
∴㏒[strong base/weak acid] = 3.35-1.4 = 1.95
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The answer would be millimeters
so answer choice d

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