mohon di jawab beserta penyelsaiannya !

1.
delta Tb = m Kb
= 9/180 x 1000/100 x 0,52
= 0,26°C
Tb = 100,26°C
2.
delta Tb = m Kb
= 20/60 x 1000/80 x 0,52
= 2,16°C
Tb = 102,16°C