Sacharoza: C6 H22 O11

G *cs = n1*C1 + n2*C2 + n3*C3

G = 12*6 + 22*1 + 11*16 = 270 g/mol = 0,27 kg/mol

n1 = 6 n2=22 n3 =11

C1=7,5*10­­­­­­­­­3

C2=9,6* 103

C3=16,8*103


0,27*cs=6*7,5*10­­­­­­­­­3 + 22*9,6* 103 + 11*16,8*103

cs=(45000+21200+18400)/0,27

cs=1,6*106 J/kg*K

cśr = cs* xs + cw* xw cs= 1,6*106 J/kg*K

cw= 4,19 J/kg*K

xs=29,8% = 0,298

xw=70,2% = 0,702

cśr = 1,6*106* 0,298 + 4,19* 0,702

cśr = 4,77*105 J/kg*K