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Goshia [24]
3 years ago
8

Criterion is the singular version of what word?

Chemistry
2 answers:
Aleks04 [339]3 years ago
8 0

Answer:

criteria

Explanation:

it means a principle or standard by which something may be judged or decided.

Hope it helps!

VARVARA [1.3K]3 years ago
7 0

Answer:

Explanation:

criteria or less commonly criterions

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How did Bohr refine the model of the atom? How did Bohr refine the model of the atom? He developed electrochemistry. He discover
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Answer:

He developed the concept of concentric electron energy levels

Explanation:

Before Bohr's model, Rutherford's model was proposed. This model explains most of the properties of the atom but failed to explain the stability of the atom.

As per Rutherford's model, electrons revolve around the nucleus in the orbit.

But revolving electron in their orbit around nucleus would give up energy and so gradually move towards the nucleus and therefore, eventually collapse.

Bohr's proposed that the electrons around the nucleus move orbit of fixed energy called "stationary states". Electrons in these stationary states  do not radiate energy.

Therefore, proposal of concentric electron energy levels refine the atomic models.

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4 years ago
The reaction 2a + b --> c + d has an activation energy of 80.0 kj/mol. at 320°c, the rate constant k = 1.80 x 10-2 l mol-1 s-
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k2 = 0.3325 L / mol-s
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Explanation:

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