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Uma substância possui temperatura de \( 40^{\circ} \mathrm{C} \). Qual é o valor temperatura dessa substância na escala de temperatura Kelvi

Ask by Salinas Wood. in Brazil
Mar 16,2025

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A temperatura da substância é \( 313,15 \) Kelvin.

Solución

1. A fórmula para converter de graus Celsius para Kelvin é: \[ T(K)=T(^{\circ}C)+273,15 \] 2. Substituindo \( T(^{\circ}C) = 40 \): \[ T(K)=40+273,15 \] 3. Realizando a adição: \[ T(K)=313,15 \] Portanto, a substância possui \( 313,15 \) Kelvin.

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Bonus Knowledge

Para converter a temperatura de Celsius para Kelvin, você deve adicionar 273,15 ao valor em Celsius. Assim, a temperatura de \( 40^{\circ} \mathrm{C} \) em Kelvin é \( 40 + 273,15 = 313,15 \text{ K} \). Portanto, a substância a \( 40^{\circ} \mathrm{C} \) corresponde a \( 313,15 \text{ K} \). Agora, uma curiosidade: a escala Kelvin é a escala termométrica que começa no zero absoluto, que é a temperatura mais baixa possível, onde todas as partículas estão no seu estado mais energético mínimo. Isso faz do Kelvin uma unidade muito útil para a ciência, especialmente em termodinâmica!

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