Based on this equation: 2al + 3cucl2 -> 2alcl3 + cu how many grams of copper(ii) chloride dihydrate would be required to react completely with 1.20g of aluminum metal?

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing