Transfer of heat by the flow of a heated material

1 answer:

4 0

If this is the transfer of heat by direst contact its radiation, but if the material for example, fire, that heated a large air mass, for example, a house, the fire would heat up the air being convection, but if the martial for example, fire, heats your had when your hand is close to the fire, its radiation.

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AysviL [449]

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3 years ago

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ratelena [41]

Answer:

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Explanation:

P . V = n . R . T

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We replace data:

2.5 atm . 8 L = 3 mol . 0.082 L.atm/mol.K . T°

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3 years ago

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- La siguiente tabla, expone cómo desciende la temperatura (T) del aire con la altitud(h): Temperatura (ºC) 15 13,5 12 10,5 9 Al

Mrrafil [7]

Answer:

k = -0.006.

T₀ = 15 °C

Explanation:

Hola.

En este caso, considerando la gráfica mostrada en el archivo adjunto, podemos evidenciar que los datos dados se comportan de manera lineal, por lo que basado en la ecuación, T=k*h+To, podemos calcular la pendiente que basicamente es igual a k, tomando dos puntos en la gráfica:

$k=\frac{12-13.5}{750-500}=-0.0006$