Physics, 16.07.2019 14:30 rayonnalawrence1000
Uma pedra de gelo a 0*c é colocado em 200g de água à 30*c, num recipiente térmico desprezível e isolado termicamente. o equilíbrio térmico se estabelece em 20*c (dados: valor específico da água c=1.0 cal/g.*c; calor latente de fusão do gelo l=80 cal/g.*c). qual é a massa da pedra de gelo?
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Uma pedra de gelo a 0*c é colocado em 200g de água à 30*c, num recipiente térmico desprezível e isol...
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