Variables Flashcards

(21 cards)

1
Q

Termino

A

Significado

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2
Q

m

A

Masa de una molécula (kg). No es masa molar.

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3
Q

v^2 (promedio)

A

Promedio del cuadrado de la velocidad. Se usa en energía.

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4
Q

v_rms

A

Rapidez eficaz. v_rms = sqrt(v^2 promedio). Unidad: m/s.

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5
Q

k_B

A

Constante de Boltzmann = 1.38×10^-23 J/K. Se usa por molécula.

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6
Q

(1/2) m v^2 promedio

A

Energía cinética promedio de una molécula.

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7
Q

N

A

Número total de moléculas.

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8
Q

V

A

Volumen del recipiente.

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9
Q

N/V

A

Número de moléculas por volumen (densidad numérica).

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10
Q

P

A

Presión del gas.

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11
Q

T

A

Temperatura absoluta en Kelvin (K).

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12
Q

n

A

Número de moles.

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13
Q

M

A

Masa molar del gas (kg/mol). No es masa de una molécula.

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14
Q

R

A

Constante universal de los gases = 8.314 J/(mol·K). Se usa por mol.

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15
Q

E

A

Energía total del gas.

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16
Q

E/N

A

Energía promedio por molécula.

17
Q

E = (3/2)Nk_BT

A

Energía total en función del número de moléculas.

18
Q

E = (3/2)nRT

A

Energía total en función de moles.

19
Q

(1/2)m v^2 = (3/2)k_BT

A

Relación fundamental entre energía cinética y temperatura.

20
Q

v_rms = sqrt(3k_BT/m)

A

Rapidez eficaz en forma molecular.

21
Q

v_rms = sqrt(3RT/M)

A

Rapidez eficaz en forma molar (3 ratas muertas).