If you start with 4.4 grams of zinc, how many grams of hydrogen gas do you get?

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?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Which sample at stp has the same number of atoms as 18 liters of ne at stp