If a pure aluminum pan that has a specific heat of 0.21cal / g and a Heat of Fusion of 94.5cal/g and is at room temperature 21 degrees * C . The melting point of aluminum is 660 degrees * C . How big is the pan if it takes 54,400.5cal to melt the entire pan?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?