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alisha [4.7K]
3 years ago
12

How does the temperature of the air change with altitude?

Chemistry
1 answer:
TiliK225 [7]3 years ago
8 0
As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands) and the temperature decreases. If the humidity is at 100 percent (because it's snowing), the temperature decreases more slowly with height.
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How many grams of sulfur trioxide are produced 18 mol O2 react with sufficient sulfur? Show all your work S8 +12O 2> 8SO3
SOVA2 [1]

Answer:

m_{SO_3}=2.31x10^4gSO_3

Explanation:

Hello!

In this case, since the reaction between sulfur and oxygen is:

S_8 +\frac{1}{2} O_2 \rightarrow 8SO_3

Whereas there is a 1/2:8 mole ratio between oxygen and SO3, and we can compute the produced grams of product as shown below:

m_{SO_3}=18molO_2*\frac{8molSO_3}{1/2molO_2} *\frac{80.06gSO_3}{1molSO_3} \\\\m_{SO_3}=23,057.3gSO_3=2.31x10^4gSO_3

Best regards!

7 0
3 years ago
write a balanced chemical equation for the reaction that occurs when calcium metal undergoes a combination reaction with O2(g).
lisabon 2012 [21]
1) reactants: Ca + O2 (g)

2) Unbalanced equation: Ca + O2 (g) -> CaO

3) Balanced equation: 2Ca + O2 (g) -> 2CaO
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Why is it not a good idea to store iodine in a plastic bag?
Juliette [100K]

because iodine is an atom and it can permeate the pores of the plastic bag.

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