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mote1985 [20]
3 years ago
15

Atmospheric pressure is the sum of the pressure created by all gases in the

Chemistry
1 answer:
Molodets [167]3 years ago
8 0

Answer:

high less air cause there is no trees and lower is the same

Explanation:

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What are some facts about Radon something that is unique and relatively unknown by the general population????
viktelen [127]

Answer:

The word radon is derived from radium, of which radon is gas. Early in its discovery it was also called radium emanation and niton, which comes from the Latin nitens, Since 1923, however, it has been called radon.

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3 years ago
What is the mass of 2.542 × 1026 atoms of F?
stiks02 [169]

Answer:

7.98 × 10^3grams.

Explanation:

To find the mass of fluorine in the number of atoms provided, we first divide the number of atoms by Avagadros number (6.02 × 10^23atoms) to get the number of moles in the fluorine atom. That is;

number of moles (n) = number of atoms (nA) ÷ 6.02 × 10^23 atoms

n = 2.542 × 10^26 ÷ 6.02 × 10^23

n = 0.42 × 10^ (26-23)

n = 0.42 × 10^3

n = 4.2 × 10^2moles

Using mole = mass ÷ molar mass

Molar/atomic mass of fluorine (F) = 19g/mol

mass = molar mass × mole

Mass (g) = 19 × 4.2 × 10^2

Mass = 79.8 × 10^2

Mass = 7.98 × 10^3grams.

8 0
3 years ago
What does carbon dioxide have to do with global warming
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A layer of greenhouse gases – primarily water vapor, and including much smaller amounts of carbon dioxide, methane and nitrous oxide – acts as a thermal blanket for the Earth, absorbing heat and warming the surface to a life-supporting average of 59 degrees Fahrenheit (15 degrees Celsius).
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3 years ago
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Read the list of substances. Wood, Iron, Sugar, Glass, Salt Which substances are highly soluble in water?
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Salt and sugar would dissolve in the water, wood, iron, and glass wouldn't dissolve
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Someone help me please. It's due in 30 mins
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Answer: permanent removal of hair by energy or heat

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