Tema 1 Flashcards

1
Q

Deduce la masa fórmula relativa

Masa molar

Masa molecular relativa

A

Suma los pesos de los cosos y palante

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2
Q

Gases ideales

A

PV = nRT
n = masa / molaridad (g/mol)

R=0,082
P = atm
T= K
V = litros

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3
Q

Molaridad

A

M = n/V

V=Litros

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4
Q

Gases

A

PV / T = PV / T

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5
Q

Moles

A

n = M V

moles = moles por litros • litros

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6
Q

Molaridad

A

Mol / Litro

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7
Q

Entalpía

A

Calor de reacción

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8
Q

Capacidad calorífica específica,
es decir, CALOR CEDIDA POR EL…

A

Q = m • c • ^T

m = masa
c = calor específico
^T = variación de temperatura

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9
Q

Variación de entalpía

A

^H = Q / n

n = moles de lo que se haya fundido…
Es decir: Lo que se haya añadido definitivamente y haya cambiado la temperatura

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10
Q

1er principio de la termodinámica

Variación de energía interna

A

^U = Q + W
^U = Q + (P • ^V)

-> V= cte, la energía interna = calor.
^U = Q
-> P= cte, la variación de calor = entalpía

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11
Q

Entalpía de formación de…. Tablas

A

^H° = S enlaces r - S enlaces f

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