How many joules of heat are needed to raise the temperature of 15g of aluminum from 28C to 99C if the specific heat of aluminum is .90 j/gC?

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.