If an anode is composed of a Pb(NO3)2 solution and a lead electrode, what reaction takes place there? A) Pb + 2e-  Pb2+
B) Pb2+  Pb + 2e-
C) Pb(NO3)2  PbNO3 + NO3-
D) None of the above

Which term refers to a property that depends only on the amount of a substance? ©@

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers