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When 15.6 mL of 0.500 M AgNO3 is added to 12.5 mL of 0.300 M NH4Cl, how many grams of AgCl are formed
If 36.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 35.6 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced
The solubility of silver carbonate is 33.5 mg/L. What is it molar solubility and what is its Ksp?
Compound A has a parent peak of M+ = 95 m/z in its mass spectrum and shows a medium intensity sharp infrared absorption band at 2280 cm. The HNMR of compound A shows 3 signals in a 4:4:1 ratio.
when 45.0 grams of C2H6 are completely combusted, 60 grams of water are produced. Is the ethane pure?
protonated means that the drug is in its acid form (HA) and dissociated means that the drug is in its dissociated form (A-). the pH of the stomach is about 1 or 2. the pH of the blood is about 7.4. given that a drug has a pKa of 4.2.
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
A 50.0 L cylinder of Ar has a pressure of 137 atm at 25 C. What mass of Ar is inside the cylinder?
Calculate the maximum non-expansion work that can be done on the surroundings from the combustion per kilogram of H2(g) at constant pressure and 298.15K. If the H2 is oxidized in a fuel cell with maximum efficiency to drive an electric version
Calculate the viscosity average and number average molecular weights of polyvinyl alcohol given the molar mass of cleaved and uncleaved polymer solution.
Calculate the hydronium-ion concentration and the pH of a 0.0059 M solution of chloroacetic acid. Ka is 1.3 10-3.
an inert gas has a volume of 941 ml at temperature 28 oC and pressure 675 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
A metal rod has a mass of 17.62 g. A graduated cylinder contains 28.9 mL of water. The metal rod is added to the cylinder. The final water level in the cylinder is 35.1 mL. What is the density of the metal rod?
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