a numerical integration of the energy balance in heat transfer.

1-I want a numerical integration of the energy balance in heat transfer (the equation is in the picture in part b)
2-Use Excel and plot T(t) and h(t)
3-Find the time required for the pharmaceutical
mixture to reach 70C
4-Compare your results with those given in slide
5 and approximate the difference.

you can see the requirements in the first slide in the file.