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Soloha48 [4]
3 years ago
6

A sample of water and alcohol are mixed. What method should be used to separate them?

Chemistry
1 answer:
Margaret [11]3 years ago
6 0

Fractional Distillation is the answer


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A scientist discovers a deep bowl-like divot under the ocean off the coast of eastern Mexico that is many kilometers across. The
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its B

Explanation:

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What is meant by the term sensitivity in Analytical Chemistry? (a) The term refers to the limit at which the absorption instrume
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The term sensitivity in Analytical Chemistry is "the slope of the calibration curve or a function of analyte concentration or amount".

<u>Answer:</u> Option B

<u>Explanation:</u>

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What type of nuclear reactions do all current reactors use
emmasim [6.3K]

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Nuclear fission

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Something that can be broken down by living organisms is
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238,2U --&gt; 234Th +<br> 90
stiv31 [10]

Answer:

\\_{2}^{4} \alpha

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In this question, we wish to find the missing nuclei for the equation:

\\_{92}^{238} U\rightarrow _{90}^{234} Th + _{Z}^{A} X

In order to find the missing species, we need to use the charge and mass balance law. That is, the mass should be conserved: the total mass on the left-hand side with respect to the arrow should be equal to the total mass on the right-hand side with respect to the arrow:

238 = 234 + A

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A = 238 - 234 = 4

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92=90+Z

From here:

Z = 92-90=2

We have a particle:

\\_{2}^{4} X

Looking at the periodic table, an atom with Z = 2 corresponds to helium. This can also be written as an alpha particle:

\\_{2}^{4} \alpha

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