Physics, 28.04.2021 23:20 kellynadine02
En un restaurante una taza de café está a 100ºC para tenerlo listo para la venta, ya que se enfría al rato a la temperatura del lugar (20ºC), liberando 800 cal al ambiente. Si una persona acude al restaurante para tomarse un buen café para empezar su jornada y le comunican que esta frío y se lo van a calentar a 50ºC, ¿Qué cantidad de calor le proporciona la estufa para lograrlo?
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En un restaurante una taza de café está a 100ºC para tenerlo listo para la venta, ya que se enfría a...
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