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

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

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

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

Which property of water causes water drops to bead on a freshly waxed car?