Pls m. in this lab, you will use a precise scale and heat to identify the mole ratio of an unidentified hydrate. write an investigative question that you can answer by doing this experiment.

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

May someone me with these science questions

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.