A 1.446 g sample of calcium sulfate dihydrate is heated, leaving 1.143 g of solid residue. What is the whole number ratio of moles of water to moles of anhydrous salt?

Idon’t know how to solve this question

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

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town