Answer:
1 mole of ferric contains 2 moles of iron,and 12 moles of oxygen atoms, and three moles of sulphate ions
1: True
2: True
3: False
4: False
(Question 2 might not be true, not sure)
Well, the only way you would get clouds is evaporation, a liquid to a gas. (Change of matter) the clouds would not turn into rain without percipitation, gas to water. (Change of matter.)
Answer is: A. They opposed the use of energy released during nuclear fission for military purposes.
Hahn, Strassmann and Meitner were not engaged in nuclear weapons research during World War II.
Otto Hahn (1879 - 1968) became a passionate campaigner against the use of nuclear energy as a weapon.
Hahn and Strassmann discovered nuclear fission (nuclear fission of uranium in 1939).
