What is the molecular structure of Vitamin B12 and how is it important in our life.
AgNo cubed(aq) + BaCl squared(aq) - AgCl(s) + Ba(No cubed)squared(aq)
Calculate the molecular formula of this compound if the molecular weight is 416.4 g/mole
When Barium metal is heated in chlorine gas, a binary compound forms that consists of 65.95% Ba and 34.05% Cl by mass. Calulate the molecular formula of this compound if the molecular weight is 416.4 g/mole.
The energy, in J, required to heat 1.5 g.of iron from 20.0 degree C. to 29 degree C.(s iron=0.45 J/(g. degree C.)
The mass, in g. of carbon in a sample that requires 530 J to heat from 23.6 degree C. to 54.2 degree C. (s carbon=0.71 J/(g.degree C.)
Calculate the following: The density, in g/cm cubed, of Pt if 100.0 occupies 4.67 ml.
The density, in g/cm cubed, of Pt if 100.0 g occupies 4.67 ml.
Final molarity of a solution prepared by diluting 15.0 mL of 3.0 MH2SO4 to 150 mL.
Calculate the following: The number of mL. of 0.750 M NaOH which contains 0.350 moles of NaOH.
The number of mL of 0.750 M NaOH which contains 0.350 moles of NaOH.
The molarity of 100.0 ml of solution prepared by diluting 75.0 mL of 1.5 M H2CO3.
Calculate the following: Molarity of 0.5 moles of BaSo4 in 500 mL of solution.
Molarity of 0.5 moles of BaSO4 in 500 mL of solution.
