20. 0 ml of 0. 200 m diprotic acid (h2a) was titrated with 0. 100 m koh. The acid ionization constants for the acid are ka1=5. 2×10−5 and ka2=3. 4×10−10.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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?

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse