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Elena L [17]
3 years ago
9

Energy has both wavelength and particle-like properties, but electrons have only particle like properties, true or false

Chemistry
1 answer:
dangina [55]3 years ago
4 0

False bc both energy and electrons have both wave and particle like properties. :)

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Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the following reaction equation. 2H202(aq)
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Answer : The temperature for non-catalyzed reaction needed will be 456 K

Explanation :

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According to the Arrhenius equation,

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A\times e^{\frac{-Ea_1}{RT_1}}=A\times e^{\frac{-Ea_2}{RT_2}}

\frac{Ea_1}{T_1}=\frac{Ea_2}{T_2} ..........(1)

where,

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Ea_2 = activation energy for catalyzed reaction = 49 kJ/mol

T_1 =  temperature for non-catalyzed reaction = ?

T_2 = temperature for catalyzed reaction = 25^oC=273+25=298K

Now put all the given values in the above formula 1, we get:

\frac{Ea_1}{T_1}=\frac{Ea_2}{T_2}

\frac{75kJ/mol}{T_1}=\frac{49kJ/mol}{298K}

T_1=456K

Therefore, the temperature for non-catalyzed reaction needed will be 456 K

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The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is inc
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