Are absolutes sustainable?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.