Respostas

2014-02-17T20:41:04-03:00
Resposta

y = 3a
y = 3 . 74,5.10^-5
y = 223,5.10^-5
Δt = 60-10 = 50ºC

Vf = Vi.(1 + y . Δt)
Vf = 80 .(1 + 223,5.10^-5.50)
Vf = 80 (1 + 11175.10^-5)
Vf = 80 + 894000.10^-5
Vf = 80 + 8,94
Vf = 88,94dm³