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

What type of reaction is zn + cucl2 → cu + zncl2?

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit