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mote1985 [20]
3 years ago
7

Please make the following calculation and round your

Chemistry
1 answer:
lapo4ka [179]3 years ago
3 0

Answer:

343

Explanation:

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There are approximately 2 × 1022 molecules and atoms in each breath we take and the concentration of CO in the air is approximat
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Answer:

1.8x10¹⁷ molecules of CO are in each breath we take

Explanation:

Parts per million, ppm, is an unit of concentration in chemistry used for very diluted solutions.

<em>A 9ppm of X in a solution means in 1 million of molecules (1x10⁶) you have only 9 molecules of X.</em>

In a breath we have 2x10²² molecules and 9 ppm are CO. Thus, CO molecules in each breath are:

2x10²² molecules × (9 molecules CO / 1x10⁶ molecules) =

<h3>1.8x10¹⁷ molecules of CO are in each breath we take</h3>
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3 years ago
How to calculate the atomic mass of Cl​
slega [8]
To find the atomic mass of chlorine, the atomic mass of each isotope is multiplied by the relative abundance (the percent abundance in decimal form) and then the individual masses are added together. The atomic mass of chlorine is 35.45 amu.
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How does increasing pressure affect the rate of reaction between gases?
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B, increases rate of collisions

Explanation:

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A bond based on intermolecular forces between hydrogen and fluorine, nitrogen, or oxygen is a _____.
Anuta_ua [19.1K]
Hydrogen Bond is the bond based on intermolecular forces between H and F O and N
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4 years ago
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Q: What statement describes plants in northern and southern states during the summer season? During the summer, the plants in no
LUCKY_DIMON [66]

Answer:

The plants in the northern and southern states during the summer receive the most sunlight and experience a growth period.

Explanation:

The plants in the northern and southern states during the summer receive the most sunlight and experience a growth period because in the summer season, plants receive more solar radiation as compared to winter season. Plant needs more solar radiation for higher growth. Photosynthesis is the process which helps the plant to produce more vegetation and this will only happens when the sunlight is high so we can say that summer season enables the plant to have more vegetative growth.

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