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3 years ago

What is the difference between an exergonic reaction and an endergonic reaction?

Chemistry

2 answers:

anyanavicka [17]3 years ago

8 0

here are the answers

1 B

2 C

3 D

4 A

Marina CMI [18]3 years ago

7 0

The difference between an exergonic reaction and an endergonic reaction is that an exergonic reaction involves release of energy, while an endergonic reaction involves absorption of energy.

<span>In an </span>exergonic reaction, energy is released to the surroundings. The bonds being formed are stronger than the bonds being broken. In an endergonic reaction, energy is absorbed from the surroundings.

The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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You have 0.2231 grams of an unknown monovalent salt (MCl). You treat it with an excess of AgNO3 and precipitate all the chloride

ludmilkaskok [199]

Answer:

Formula weight of MCl = 58.55 g/mol

M = Sodium

Explanation:

Calculation of the moles of $AgCl$ as:-

Mass = 0.5471 g

Molar mass of $AgCl$ = 143.32 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{0.5471\ g}{143.32\ g/mol}$

$Moles= 0.00381\ mol$

1 mole of AgCl is produced from 1 mole of MCl

So, moles of MCl = 0.00381 mol

Mass = 0.2231 grams

Molar mass = Mass/Moles = 0.2231 grams/0.00381 mol= 58.55 g/mol

Molar mass of Cl = 35.5 g/mol

Molar mass of M = Molar mass of MCl - Molar mass of Cl = 58.55 g/mol - 35.5 g/mol = 23.05 g/mol

This mass corresponds to sodium.

4 0

3 years ago

Si un átomo gana electrones se convierte en un.?

andrezito [222]

Answer:

Cuando un átomo neutro gana uno o más electrones, el número de electrones aumenta mientras que el número de protones en el núcleo permanece igual. El resultado es que el átomo se convierte en un anión, un ion con una carga neta negativa.

Explanation:

3 0

3 years ago

Which element has only two half filled orbitals in the 3D sub level

lions [1.4K]

Which element has only two half filled orbitals in the 3D sub level ?

ANSWER:
Titanium

8 0

3 years ago

Read 2 more answers

According to uniformitarianism, which statement is true?

Ivenika [448]

If I guess since I’m in AP Biology 2 and we have touched upon that briefly, I would say C.