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Leya [2.2K]
3 years ago
9

What best explains the type of energy present in the vibrating atoms of a substance

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
7 0

movement and sound is a energy

Fittoniya [83]3 years ago
4 0

The answer would be It is thermal energy, which is a type of kinetic energy.

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El agua del mar contiene aproximadamente un 3,0 % m/v de sal (NaCl, 58,44 g/mol), (asuma que es la única fuente de cloruros) si
Alchen [17]

Answer:

s = 4.41 g/L.

Explanation:

¡Hola!

En este caso, considerando el escenario dado, se hace necesario para nosotros saber que la posible reacción de disociación la experimenta el cloruro de plomo (II) como se muestra a continuación:

PbCl_2(s)\rightleftharpoons 2Cl^-(aq)+Pb^{2+}(aq)

Lo cual hace que la expresión de equilibrio se calcule como:

Ksp=[Pb^{2+}][Cl^-]^2

Y que en términos de la solubilidad molar, s, se resuelve como:

1.6x10^{-5}=s(2s)^2\\\\1.6x10^{-5}=4s^3\\\\s=\sqrt[3]{\frac{1.6x10^{-5}}{4} } \\\\s=0.0159molPbCl_2/L

Ahora, convertimos este valor a g/L al multiplicarlo por la masa molar del cloruro de plomo (II):

s=0.0159molPbCl_2/L*\frac{278.1gmolPbCl_2}{1molmolPbCl_2} \\\\s=4.41g/L

¡Saludos!

7 0
3 years ago
Which of the following is a component of cell theory that is supported by the diagram
Crazy boy [7]
The one on top is corrrect because the cell diagram will always contain one object or more
8 0
3 years ago
A vector is an arrow that shows both ___ and direction Of an object in motion
Viefleur [7K]

Answer:

speed

Explanation:

the vector is an arrow that shows both <em><u>speed</u></em> and direction of an object

5 0
3 years ago
Read 2 more answers
What is an example of a covalent bond and why​
zhenek [66]

Answer:

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Explanation:

Hydrogen and oxygen is bonded together to make H2O aka. water

5 0
2 years ago
what causes convection in currents in the air? a. the revolution of the earth around the sun. b. the rotation of the earth aroun
natulia [17]

Answer:

THE HEAT ON THE SURFACE OF THE EARTH

Explanation:

4 0
3 years ago
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