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stiv31 [10]
3 years ago
9

Which chemical formula corresponds to this structural formula?

Chemistry
2 answers:
scZoUnD [109]3 years ago
7 0

The answer D........ hope that helps :)

Aleksandr [31]3 years ago
3 0

<em>Answer:</em>

4) C₆H₁₄

<em>Explanation: edg 2020</em>

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A chemical formula shows the kinds and numbers of _____ in the smallest representative unit of a substance.
Firdavs [7]

A chemical formula shows the kinds and numbers of <u>atoms</u> in the smallest representative unit of a substance.

<u>Explanation:</u>

In chemistry, a  formula unit is the empirical formula of "ionic or covalent network solid compound" that is used as an independent entity for "stoichiometric calculations". This formula is a representation of a molecule that uses chemical symbols.

The unit is the lowest whole number ratio of ions represented in an ionic compound. It gives the numbers of atoms representing the "smallest representative" unit of a substance. The number of atoms also tells us about the chemical and physical properties of the compound formed.

4 0
3 years ago
What is Half-Life?<br> plz help me im fillin out a study guide
Korolek [52]

Answer:

Definition of half line

 a straight line extending from a point indefinitely in one direction only

3 0
3 years ago
A cup has a mixture of iron filings, sand, and salt. How could you separate theses 3 materials? Write out the procedures you wou
Anarel [89]

Explanation:

A cup of mixtures of iron fillings, sand and salt is a mixture who constituents are in the same phase i.e solid.

To separate them out we use the physical properties of the substances.

  • First spread out the mixture uniformly over a piece of paper or on the table.
  • Pass a bar magnet over it.
  • The iron fillings will become attracted to the magnet and separate from the mixture.
  • then pour water into the mixture of sand and salt
  • the salt will dissolve since sand is made up of quartz which are highly insoluble.
  • separate the water solution. Evaporate to dryness and recover the salt.
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learn more:

Mixtures brainly.com/question/1832352

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3 0
3 years ago
An aqueous solution is made by dissolving 26.4 grams of barium sulfide in 349 grams of water.
lukranit [14]

Answer:

Molality = 0.43 m

Explanation:

Given data:

Mass of barium sulfide = 25.4 g

Mass of water = 349 g (349 g/1000 = 0.349 Kg)

Molality of water = ?

Solution:

Number of moles of barium sulfide:

Number of moles = mass/molar mass

Number of moles = 25.4 g/169.39 g/mol

Number of moles = 0.15 mol

Molality:

Molality = number of moles o f solute/ Kg of solvent

Molality = 0.15 mol / 0.349 Kg

Molality = 0.43 m

4 0
3 years ago
Qué valores rescatas de la labor que realizan los bomberos
sertanlavr [38]

Explanation:

Honor:Cumplimos con nuestros deberes con entusiasmo y entrega. Honradez:Respeto a los demás, coherencia física e intelectual en lo que pertenece a cada persona y convicción de defenderlo. Humanismo:Preocupación por lo social y humano. ... Respeto:Tratar humanamente a las personas.

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3 years ago
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