Polyethylene has a heat capacity of 2.3027 J g^-1 °C^-1. You need to decide if 1.0 ounce of polyethylene can be used to package a material that will be releasing heat when in use.

Consumer safety specifications indicate that the maximum allowable temperature for the polyethylene is 45°C. It can be assumed that the plastic is initially at room temperature.

(a) What temperature will the polyethylene reach if the product generates 1500 J of heat and all of this energy is absorbed by the plastic package? 

(b) Is this a realistic estimate of the temperature that the polyethylene packaging would reach? Explain your answer. 

(c) What is the enthalpy change of the polyethylene? 

(d) Estimate the entropy change of the polyethylene. (You will need to assume that the temperature of the plastic is constant.)