Magnesium oxidizes via the reaction: 2 mg + o2 → 2 mgo the reaction has a △hrxn = -1203 kj. how much heat (in kj) is released when you completely react 3.000 moles of o2?

Non renewable resources like petroleum eventually

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it