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Nadya [2.5K]
3 years ago
5

You are holding a block of wood with dimensions 3 cm x 6 cm x 9 cm on the palm of your hand. Which side must be touching your ha

nd for you to experience the greatest force?
A. 3 cm x 6 cm side
B. You will experience the same amount of force on all sides.
C. 9 cm x 3 cm side
D. 6 cm x 9 cm side
Physics
1 answer:
Mariana [72]3 years ago
3 0
Force is all the same, but pressure will be higher on 3cm
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La entropía del vapor de mercurio cambia en 214.235 joules por Kelvin.

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dS = \frac{\delta Q}{T} (1)

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Q - Ganancia de calor, en joules.

T - Temperatura del sistema, en Kelvin.

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dS = \frac{L_{v}}{T}\cdot dm (1b)

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\Delta S = \frac{\Delta m \cdot L_{v}}{T}

Como vemos, el cambio de la entropía asociada al cambio de fase del mercurio es directamente proporcional a la masa del sistema. Si tenemos que m = 0.50\,kg,L_{v} = 2.7\times 10^{5}\,\frac{J}{kg} and T = 630.15\,K, entonces el cambio de entropía es:

\Delta S = \frac{(0.50\,kg)\cdot \left(2.7\times 10^{5}\,\frac{J}{kg} \right)}{630.15\,K}

\Delta S = 214.235 \,\frac{J}{K}

La entropía del vapor de mercurio cambia en 214.235 joules por Kelvin.

3 0
3 years ago
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