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svet-max [94.6K]
2 years ago
13

Which choice best explains why a low-pressure system and a high-pressure system create different weather conditions?

Chemistry
1 answer:
RUDIKE [14]2 years ago
4 0

Answer:

D. In a low-pressure system, air sinks, creating fair weather. In a high-pressure system, air rises, creating storms.

Explanation:

Hope this helps :)

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3 years ago
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If 23.6 g of hydrogen gas reacts with 28.3 g of nitrogen gas, what is the maximum amount of product that can be produced?
Aleonysh [2.5K]

Answer:

34.3 g NH3

Explanation:

M(H2) = 2*1 = 2 g/mol

M(N2) = 2*14 = 28 g/mol

M(NH3) = 14 + 3*1 = 17 g/mol

23.6 g H2* 1 mol/2 g = 11.8 mol H2

28.3 g N2 * 1 mol/28 g = 1.01 mol N2

                                 3H2 + N2 ------> 2NH3

from reaction         3 mol    1 mol

given                   11.8 mol    1.01 mol

We can see that H2 is given in excess, N2 is limiting reactant.

                                 3H2 + N2 ------> 2NH3

from reaction                     1 mol         2 mol

given                                 1.01 mol      x

x = 2*1.01/1= 2.02 mol NH3

2.02 mol * 17g/1 mol ≈ 34.3 g NH3

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3 years ago
1. The first four-legged animals to reach land were classified as
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Explanation:

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NaOH+H3PO4=Na3PO4+H20
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Answer:

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