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Lady_Fox [76]
3 years ago
7

What are 4 other gases in the atmosphere besides oxegen and nitergin?

Chemistry
1 answer:
Levart [38]3 years ago
5 0
Helium, neon,nitrogen and argon
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Could the other molecules in this simulation (argon, oxygen, and water) be considered pure substances? Explain your thinking.
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Answer:

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Explanation:

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If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above
jasenka [17]

Answer : The density of an object is, 2g/cm^3

Solution : Given,

Mass of an object = 60 g

Volume of an object = 30cm^3

Formula used :

\text{Density of an object}=\frac{\text{Mass of an object}}{\text{Volume of an object}}

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6 0
2 years ago
. Find the mass of 0.159 mol silicon dioxide.​
Juliette [100K]

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9.55 grams of SiO2

Explanation:

If the mass you mean by grams:

0.159 mole x 60.08 g (Periodic table by adding both elements)

Cancel moles with moles (Original moles with the 1 mol at the bottom of the grams) and gives you:

9.55 grams of SiO2

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How would an increase in carbon dioxide concentration in the atmosphere change the green house effect? A. Carbon dioxide would c
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D

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