How many moles of Na are in 42g of Na?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

What is the measured amount of a product obtained from a chemical reaction?