NO LINKS!! PLS HELP I'LL MARK YOU THE BRAINLEST

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Explain that newton first law,second law and third law of motion?