Respostas

2013-10-21T16:09:35-02:00
Q = m * c * /\t

Q1 + Q2 = 0

10000*1*(38-10) + m*1*(38-80) = 0

280000 -42m = 0

280000 = 42m

280000/42 = m

m = 6,666g = 6,7 litros aproximadamente