Respostas

2013-09-09T19:55:26-03:00
Q = m * c * /\t
300 = 50*c*(30-10)

300 = 50c*(20)

300 = 1000c

300/1000 =c

3/10 = c

******************
c = 0,3cal/g*°C
******************
13 4 13
2013-09-09T20:04:16-03:00
M = 50 
Q = 300
To = 10
T = 30

Q = m.c.(T-To)
300 = 50.c.(30-10)
300 = 1500c-500c
300 = 1000c
c = 300
    --------
     1000
c = 0,3 cal/g

11 4 11