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olga_2 [115]
3 years ago
14

Which substance contains only 1 kind of atom

Chemistry
2 answers:
Nataliya [291]3 years ago
8 0
Elements are substances that contain only 1 kind of atom.
Marizza181 [45]3 years ago
6 0

Answer:a chemical element

Explanation:a chemical element because i looked it up on google

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A certain reaction with an activation energy of 205 kj/mol was run at 485 k and again at 505 k . what is the ratio of f at the h
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Arrhenius' Law relates activation energy, Ea, rate constant, K, and temperature, T as per this equation:

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Then you can find the ration between K's at two different temperatures as:

K1 = A * e ^ (-Ea / RT1)

K2 = A* e ^(-Ea / RT2)

=> K1 / K2 = e ^ { (-Ea / RT1) - Ea / RT2) }

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3 years ago
What substance is oxidized in the reaction Mg + Cu2+ — Mg2+ + Cu?
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Reduction:

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<em>Consider the following reactions. </em>

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Oxidizing agents:

Oxidizing agents oxidize the other elements and itself gets reduced.

Reducing agents:

Reducing agents reduced the other element are it self gets oxidized.

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