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bazaltina [42]
3 years ago
7

Which correctly lists the types of matter, in terms of their atoms, in order from least tightly packed to most tightly packed? s

olid, gas, liquid solid, liquid, gas gas, solid, liquid gas, liquid, solid
Chemistry
2 answers:
iris [78.8K]3 years ago
5 0

Answer:

gas, liquid, solid

Explanation: D on edge

alukav5142 [94]3 years ago
3 0

Answer:

gas, liquid, solid

Explanation:

As you go from gas to solid, the atoms get closer together and the kinetic energy decreases.

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La densidad del óxido de magnesio. MgO, es de 3.581 g/cm3 El MgO, es de 3.581 g/cm3 El MgO cristaliza con ordenamiento cúbico co
Jobisdone [24]

Answer:

a=4.213cm

r=1.490x10^{-8}cm

Explanation:

Hola.

En este caso, para calcular la longitud (a) de una cara de celda unitaria, consideramos la siguiente ecuación:

\rho =\frac{#at*M}{a^3N_A}

En la que consideramos el número de átomos por celda (4 para FCC), la masa molar (40.3 g/mol para MgO) y el número de avogadro para obtener:

3.581g/mol = \frac{4atom/celda*40.3g/mol}{a^3*6.02x10^{23}atom/mol}

Despejando para a, obtenemos:

a^3 = \frac{4atom/celda*40.3g/mol}{3.581g/cm^3*6.02x10^{23}atom/mol}\\\\a=\sqrt[3]{7.478cm^3} \\\\a=4.213cm

Finalmente, el radio lo calculamos como:

r=\frac{\sqrt{2}*a}{4}=\frac{\sqrt{2}*4.213x10^{-8}cm}{4}\\\\r=1.490x10^{-8}cm

¡Saludos!

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3 years ago
It is safe to stand on the top step of a ladder provided it is braced properly. A) True B) False
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Ok so O3 has a greater electronegativity and is taken into account first, -2*3=-6, so As has to equal 6/2=3, so As has a +3 oxidation number here
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