How much heat is required to raise the temperature of 13 kilograms of copper by 18 kelvin's?

What are the choices?

Answer is (d)a brainliest would be appreciated

Isec i will do it and them i will let you know

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).