You have a 10.0 mL sample of HCl to be titrated with 0.100 M NaOH. The initial reading of the volume in the buret was 2.10 mL. The reading of buret at the end point of the titration was 39.50 mL. What is the concentration of the HCl

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?