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snow_lady [41]
2 years ago
13

Según las propiedades de una sustancia: punto de fusión (PF): 0° C, punto de ebullición (PE) de 28° C. ¿Cual es el estado de agr

egación de esta, si se encuentra a una temperatura ambiente de 30° C?
Chemistry
1 answer:
Xelga [282]2 years ago
4 0

Answer:

eeeeeeeeeeeeeeee

Explanation:

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The study of Mixture
Nitella [24]

Answer:

Mixtures can be either homogeneous or heterogeneous. A mixture in which its constituents are distributed uniformly is called homogeneous mixture, such as salt in water. A mixture in which its constituents are not distributed uniformly is called heterogeneous mixture, such as sand in water.

Explanation:

5 0
3 years ago
How did Mendeleev feel about Russian science education when he came back from Germany
krok68 [10]

As he began to teach inorganic chemistry, Mendeleev could not find a textbook that met his needs. Since he had already published a textbook on organic chemistry in 1861 that had been awarded the prestigious Demidov Prize, he set out to write another one. The result was Osnovy khimii (1868–71; The Principles of Chemistry), which became a classic, running through many editions and many translations. When Mendeleev began to compose the chapter on the halogen elements (chlorine and its analogs) at the end of the first volume, he compared the properties of this group of elements to those of the group of alkali metals such as sodium. Within these two groups of dissimilar elements, he discovered similarities in the progression of atomic weights, and he wondered if other groups of elements exhibited similar properties. After studying the alkaline earths, Mendeleev established that the order of atomic weights could be used not only to arrange the elements within each group but also to arrange the groups themselves. Thus, in his effort to make sense of the extensive knowledge that already existed of the chemical and physical properties of the chemical elements and their compounds, Mendeleev discovered the periodic law.

5 0
3 years ago
Read 2 more answers
) An organic chemistry lab book gives the following solubility data for oxalic acid 9.5g/100ml water 23.7g/100ml ethanol 16.9g/1
mart [117]

Answer:

Ethanol

Explanation:

Solvent extraction is the process in which a compound transfers from one solvent to another owing to the difference in solubility or distribution coefficient between these two solvents(Science Direct).

We have to remember that oxalic acid will be extracted better into a solvent in which it is more soluble. From the data given; oxalic acid is more soluble in ethanol than in ether.

This simply means that ethanol is a better solvent for extracting oxalic acid  from water when compared to ether.

5 0
2 years ago
Which is an example of parasitism?
Doss [256]

Answer: A, C, D

Explanation:

6 0
3 years ago
A scientist evaluates its livestock and determines which livestock it is
Rina8888 [55]

Any animals look for steangth mostly because the offspring can probobly onther trait is looks. The male will try to impess the female.

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3 years ago
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