What occurs in a chemical reaction?

products are formed from reactants by the breaking and forming of new bonds.

products are formed without chemical bonds being broken.

reactants are formed without chemical bonds being broken.

reactants are formed from products by the breaking and forming of bonds.

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

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?