Match the numbers of atoms in a molecule to its possible shape
a.) tetrahedral 3
b.) linear 5
c.) trigonal planar 4

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0