2 years ago

What is the oxidation number of any uncombined element? a. -1 b. 0 c. 1 d. 2

2 answers:

8 0

Answer:

B. 0

Explanation:

I took the test

6 0

B. 0

Hope this helps! :)

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"gene" is the segment of DNA containg the inheritance information.

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Based on the diagram shown, a numerical setup for calculating the gram-formula mass for reactant 1 would be :
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solong [7]

Answer:

2.318032g

Explanation:

-The electrolysis equation of water is written as below:

$2H_2O_{(l)}->2H_2_{(g)}+O_2_{(g)}$

-The mole ratio of Water to the hydrogen formed is 1:1, therefore 2.3 moles of hydrogen gas is produced.

-Hydrogen's molar mass is 1.00784 grams:

$Mass=moles\times molar \ mass\\\\\=2.3\times 1.00784\\\\=2.318032\ g$

Hence, 2.318032 grams of hydrogen is produced.

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3 years ago