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Mrrafil [7]
3 years ago
5

1. Pressure of a gas (decreases, increases) if the volume decreases when temperature

Chemistry
1 answer:
olchik [2.2K]3 years ago
4 0

Answer:

If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase. ... Gay-Lussac's law states that at constant volume, the pressure and temperature of a gas are directly proportional.

Explanation:

i hope this helped

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Name the compounds( Please answer only if you know)
IRISSAK [1]

Answer

2-methyl-2-pentene

Explanation:

1. Identify the group that takes precedence in this case alkene hence this molecule is an alkene with a methyl group side chain.

2.Find the longest carbon chain where the functional group(alkene group in this case) has the lowest Carbon number

3.What are the side groups? One side group can be seen at carbon 2 this group is methyl

4. Naming, number separated by "," and number from letters by "-" so the compound should be

2-methyl-2-pentene

8 0
3 years ago
Son las transformaciones que ocurren de un estado a otro de la materia, ocurren sin alterar la estructura molecular de la materi
Vladimir [108]

Los cambios de estado físico son transformaciones que ocurren de un estado de la materia a otro, sin cambiar la estructura molecular de la materia, es decir, sin transformarse en otras sustancias.

Los tres estados físicos básicos de la materia son:

  1. sólido,
  2. líquido y
  3. gaseoso.

Se puede decir que son diferentes solo por la organización de sus partículas, lo que determina su cambio de estado pero sin cambiar la estructura molecular.

Cualquier sustancia se puede encontrar en estos tres estados físicos, dependiendo de su temperatura y presión.

El aumento de temperatura hace que las moléculas se separen y el aumento de presión hace que se acerquen.

En estado sólido las partículas están más juntas, en el líquido se mueven más y en el gas están bien separadas.

Aprenda más aqui:

brainly.com/question/17104364

4 0
3 years ago
What is the job of these macromolecules ​
Ray Of Light [21]

Answer:

<u>When small organic molecules bind together, they form larger molecules called biological macromolecules.</u>Biological macromolecules are important cellular components and perform a wide array of functions necessary for the survival and growth of living organisms. The four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

(i hope this helps)

5 0
3 years ago
All molecules have the same kinetic energy and hence the same speed.<br><br> O True<br><br> O False
topjm [15]
False...their speed differs
4 0
2 years ago
A 1.00 liter solution contains 0.43 M hydrofluoric acid and 0.56 M potassium fluoride. If 0.280 moles of potassium hydroxide are
kolbaska11 [484]

Answer:

Answers are in the explanation

Explanation:

Equlibrium of HF in H₂O is:

HF + H₂O ⇄ F⁻ + H₃O⁺

Now, the KOH reacts with HF, thus:

KOH + HF →  F⁻ + H₂O

<em>That means after reaction, concentration of HF decrease increasing F⁻ concentration.</em>

Now, seeing the equilibrium, as moles of HF decrease and F⁻ moles increase, the equilibrium will shift to the left decreasing H₃O⁺ concentration.

For the statements:

A. The number of moles of HF will increase. <em>FALSE</em>. HF react with KOH, thus, moles of HF decrease

B. The number of moles of F- will decrease. <em>FALSE</em>. The reaction produce  F⁻ increasing its moles.

C. The equilibrium concentration of H₃O⁺ will increase. <em>FALSE. </em>The equilibrium shift to the left decreasing concentration of H₃O⁺

D. The pH will decrease. <em>FALSE</em>. As the H₃O⁺ concentration decrease, pH will increase

E. The ratio of [HF] / [F-] will remain the same. <em>FALSE</em>. Because moles of HF are decreasing whereas F- moles are increasing changing, thus, ratio.

6 0
3 years ago
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