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navik [9.2K]
3 years ago
12

Which is an example of an interaction between the biosphere and the atmosphere?

Chemistry
1 answer:
son4ous [18]3 years ago
6 0
Desalination morning
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For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 13.1 moles of methane, CH4 ?
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Answer:

7.0

Explanation:

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Law of conservation of mass to explain why a chemical equation must be balanced?
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A hydrogen halide diffuses 1.49 times faster than HBr. This hydrogen halide is
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To solve this problem, we must assume ideal gas behaviour so that we can use Graham’s law:

vA / vB = sqrt (MW_B / MW_A)

where,

<span>vA = speed of diffusion of A  (HBR)</span>

vB = speed of diffusion of B (unknown)

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We know from the given that:

vA / vB = 1 / 1.49

 

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Since this unknown is also hydrogen halide, therefore this must be in the form of HX.

HX = 36.44 g/mol , therefore:

x = 35.44 g/mol

 

From the Periodic Table, Chlorine (Cl) has a molar mass of 35.44 g/mol. Therefore the hydrogen halide is:

HCl

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Which of the following is the best comparison of the density of basalt and granite? Basalt is more dense than granite Granite is
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They are two different elements, C. Elements
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