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kodGreya [7K]
2 years ago
6

How does physical energy cause a rain puddle to disappear on a sunny day

Chemistry
1 answer:
goblinko [34]2 years ago
5 0
The sun makes the moisture go into the air and evaporate
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Darwin called this idea of certain traits being selected in order for an organism to reproduce sexual selection. In crickets and
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Th correct answer is option C. Calling can be hazardous because it also attracts parasites and predators.

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Thus the mating call can have a disastrous effect on the survival of the species.

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2 years ago
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2NBr3 + 3NaOH = N2 +3NaBr + 3HOBr
bija089 [108]
The theoretical proportion is given by the balanced chemical equation:

2 mol NBr / 3 mol  Na OH

Then x mol NaOH / 40 mol NBr3 = 3mol NaOH/2 mol NBr3

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Given that there are 48 mol NaOH (less than 60) this is the limitant reactant and the other is the excess reactant.

Answer: NBr3..

 
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2 years ago
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Why is salad dressing a solution?
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Explanation:

A prime illustration of sour salad dressing formulas and suspension. Vinegar is also an acetic acid product which is dispersed in water, so we can't even see molecules in the oil. The removal throughout the liquid phase to make a solution.

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2 years ago
By replacing hardware safety features with software controls in the therac-25 machine, aecl was able to?
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2 years ago
How many atoms are in Sodium, Carbon, Hydrogen, Oxygen, Fluorine, Boron, Lithium, Helium, Phosphorus and Sulfur?
vlada-n [284]
Sodium. 11
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