What is the chemical equation for the alpha decay of erbium-144

Calculate the number of molecules present in 0.750 mol of mgo.

What effect might melting sea ice have for people who live in coastal areas?

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?