Can manganese be a catalyst

1 answer:

7 0

Manganese alone cannot be a catalyst. However, its oxides can work as a catalyst. Manganes (II, III) oxide has found some applications in certain reactions as a catalyst. These reactions are the oxidation of methane, carbon monoxide, decomposition of NO and the catalytic combustion of organic compounds.

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16. Nuclear decay is a random event and

12345 [234]

Answer:

A. Is independent of other energy influences

Explanation:

Nuclear decay occurs at a constant rate. The rate of decay is independent of temperature.

B, C, and D are wrong. The decay rate cannot be sped up or slowed down at ordinary temperatures.

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3 years ago

How are pH and pOH ?

bija089 [108]

Answer:

B. pOH = 14 - pH and D. pH = 14 - pOH.

Explanation:

Hello,

In this case, we must remember that pH and pOH are referred to a measure of acidity and basicity respectively, since pH accounts for the concentration of H⁺ and pOH for the concentration of OH⁻ in a solution. In such a way, since the maximum scale is 14, we say that the addition between the pH and pOH must be 14:

$pH+pOH=14$

Therefore, the correct answers are B. pOH = 14 - pH and D. pH = 14 - pOH since the both of them are derived from the previous definition.

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A solution that dissloves completely is called a?

snow_tiger [21]

soluble substances dissolves in solvents

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Read 2 more answers

Which of the following describes the electron sharing between two oxygen atoms?

irina [24]

The right answer is A. <span>Each oxygen shares two electrons with each other.
(I took the quiz)</span>

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3 years ago

Calculate the rms speed of co molecules at 320 k .

mezya [45]

<span>rms = (3RT/M)^1/2 Therefore, the rms of CO is: rms(CO) = [(3)(8.3145 J/mol*K)(320 K)/(0.028 kg/mol)]^1/2 rms = [2.65x10^5 m^2/s^2]^1/2 rms = 533.9181 m/s</span>

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3 years ago