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Wendell270416
@Wendell270416
December 2019
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Um bloco de gelo 2kg inicialmente a - 25 ¤c é colocado numa mesa direcionada para o sol apos alguns segundos verificou- se.que a temperatura de gelo.ficou - 10¤c considerando o calor especifico do gelo 0,5 cal/g ¤c determine
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AnaPaula2108
2k equivale a 2000g
então
Q= m.c.∆t
Q= 2000.0,5.[-10 - (-25)]
Q= 2000.0,5. [15]
Q= 1000. [15]
Q= 15000 cal
ou 15Kcal
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Lista de comentários
então
Q= m.c.∆t
Q= 2000.0,5.[-10 - (-25)]
Q= 2000.0,5. [15]
Q= 1000. [15]
Q= 15000 cal
ou 15Kcal