I think you means the KO2 reacts with H2O. The equation of this reaction is 4KO2+2H2O->4KOH +3O2. The ratio of mole number of O2 and KO2 is 3:4. So the mole number of O2 produced is 0.500/4*3=0.375 mol.
B is the answer
I double checked hope it helps
It moves to a higher energy level<span />
Answer:
metabolism
cell division
Explanation:
metabolism is the series of activities that take place in the body of an organism
cell division is the enlargement or division of cell in order for growth to occur