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Serga [27]
3 years ago
12

The theory of evolution was proposed by

Chemistry
2 answers:
yulyashka [42]3 years ago
4 0
The theory of evolution was proposed by Darwin. 
Pachacha [2.7K]3 years ago
4 0
The theory of evolution was proposed by Charles Darwin in 1858
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Answer:

Purify drinking water of unwanted

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<em>Hope this helps! :D</em>

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3 years ago
The reaction 2a + b --&gt; 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-
Naddik [55]
To determine the k for the second condition, we use the Arrhenius equation which relates the rates of reaction at different temperatures. We do as follows:

ln k1/k2 = E / R (1/T2 - 1/T1) where E is the activation energy and R universal gas constant.

ln 1.80x10^-2 / k2 = 80000 / 8.314 ( 1/723.15 - 1/593.15)

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How many valence electron does sulfur
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Explanation:

Sulfur has 6 valence electron

Valence electron shows group( in column)

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Liula [17]

The answer is the Microscope.

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3 years ago
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5 0
3 years ago
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