Answer: The Sun Could Be Seen Once during the year when north of the equator.
After first half-life you will have 100/2=50g. After second half-life you will have 50/2=25g.
Answer:
it is in the same phase as the reactants
Answer:
Molar mass = 99 g/mol
Explanation:
Phosgene contains carbon, oxygen and chlorine atoms. Its molecular formular is; COCl2
The molar mass is given as the sum off the individual atomic mass of the elements in the compound.
Molar mass = C + O + 2Cl
Molar mass = 12 + 16 + 2(35.5)
Molar mass = 99 g/mol