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3 years ago

1. What is the oxidizing agent in the following reaction? CH4 + 2O2 --> CO2 + H2O

Chemistry

2 answers:

Lena [83]3 years ago

8 0

2O2 IS THE OXIDIZING AGENT BECAUSE IT GIVES ALL OTHER ELEMENT OXYGEN

WARRIOR [948]3 years ago

7 0

Answer:

Oxygen gas (O₂)

Explanation:

Oxidizing agent is one which its self gets reduced and oxidizes the other.

Oxidation is the process where the oxidation number of substance increases while in reduction the oxidation number decreases.

The oxidation number of hydrogen in both methane and water is "+1"

Oxidation number of carbon in methane is "-4"

While its oxidation number in carbondioxide is "+4"

Thus carbon is undergoing oxidation.

While the change in oxidation number of oxygen from O₂ to CO₂ is "0" to -2

Hence it is undergoing reduction and oxidizing carbon.

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The value of delta for the [C_rF_6]^3- complex is 182 kJ/mol. Calculate the expected wavelength of the absorption corresponding

kirza4 [7]

Answer: Yes the absorb in the visible range.

Explanation:

The relationship between wavelength and energy of the wave follows the equation:

$E=\frac{Nhc}{\lambda}$

where,

$E$ = energy of the wave = 182 kJ/mol = 182000 J/mol

N = avogadro's number = $6.023\times 10^{23}$

h = plank constant = $6.6\times 10^{-34}Js^{-1}$

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Putting all the values:

$182000=\frac{6.023\times 10^{23}\times 6.6\times 10^{-34}\times 3\times 10^8m/s}{\lambda}$

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When involved in a chemical reaction with a metal, what charge will elements in the oxygen family most likely form?

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