Diagram the energy change that can take place in a chemical reaction

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

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.