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Physical Chemistry
How many milliliters of a 2.00 M HCl solution would need to be combined with 450 mL of a 0.330 M Pb(NO3)2 solution to promote the complete precipitation of the lead as PbCl2?
Physical Chemistry
What is the concentration of a KOH solution prepared by diluting 25.0 M of a 6.0 M stock solution to a final volume of 1.00 L?
Physical Chemistry
Iodin-131 is used in medical imaging. I-131 has a half life of 8 days. how much I-131 remains in patient's system after 1 month?
Physical Chemistry
bondorder of 1.5 is shown by
Physical Chemistry
In a photochemical decomposition of acetone using 313 nm light, 7.57 carbon monoxide is formed in 20 minutes. If the light absorbed corresponds to 3-10*2.41 J s 1, Calculate the quantum efficiency for the formation for carbon monoxide.
Physical Chemistry
1 dm3 of a solution of 2.0 M CuSO4 is electrolysed using platinum electrodes by passing (5) 4.50 A current for 9000 s. Calculate 1) the mass of Cu deposited, and 2) the amount of Cu2+ in the solution at the end of electrolysis.
Physical Chemistry
What might cause an ionic substance to have a lower melting point than expected?
Physical Chemistry
How many formula units make up 24.6 g of magnesium chloride (MgCl2)?
Physical Chemistry
Magnetic attraction can be used to separate object made of__
Wood
Copper
Plastic
Ceramic
Wood
Copper
Plastic
Ceramic
Physical Chemistry
Determine if the following equation is exact or inexact.
dZ = [(2bX^(b-1)y^a) +(3aX^(a-1)Y^b)] dX + [(3bX^aY^(b-1)) + (2abX^bY^a)]dY
dZ = [(2bX^(b-1)y^a) +(3aX^(a-1)Y^b)] dX + [(3bX^aY^(b-1)) + (2abX^bY^a)]dY
