A compound is found to consist of only magnesium and chlorine. An experiment is performed to determine the % of each element in the compound. 13.9 grams of the compound is decomposed. The magnesium residue is weighed and measures 3.55 g.

What is the percent of magnesium in this compound?

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

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6