What is occuring with the energy and molecules in a metal that is melting?

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

What are the 4 phases of matter in order of increasing engery content?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2