Respuesta :

Answer:

[tex]Q=-697.06\ J[/tex]

Negative sign says that release of heat.

Explanation:

The expression for the calculation of the heat released or absorbed of a process is shown below as:-

[tex]Q=m\times C\times \Delta T[/tex]

Where,  

[tex]\Delta H[/tex]  is the heat released or absorbed

m is the mass

C is the specific heat capacity

[tex]\Delta T[/tex]  is the temperature change

Thus, given that:-

Mass = 25.2 g

Specific heat = 0.444 J/g°C

[tex]\Delta T=9.8-72.1\ ^0C=-62.3\ ^0C[/tex]

So,  

[tex]Q=25.2\times 0.444\times -62.3\ J=-697.06\ J[/tex]

Negative sign says that release of heat.