2. Calculate the mass of 2.4 moles of ammonia, NH3.
_grams

A student performing this reaction
makes 8.5 grams of ammonia, NH3. How
many moles of ammonia did she make?
_moles

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust