Calculating the mass of silver chloride
Calculate the mass of silver chloride required to plate 175 {rm mg} of pure silver.
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What is the molality of a solution prepared by dissolving 413 mg of KBr in 6.45 mL of water at 25.0 0C. The density of water at 25.0 0C is 0.997 g/mL.
The specific gravity of mercury is 13.64 . What would be the mass of a sample of mercury that occupies a volume of 4.55 mL?
Calculate the heat released when 1.42 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
When heated, lithium reacts with nitrogen to form lithium nitride. What is the percent yield of the reaction if 13.9 of Li is heated with 33.3 g of N2 and the actual yield of Li3n is 6.64 g?
A piece of silver (25 g) is heated to 100 degrees celsius, then dropped into 42.5 g of water with a temperature of 21.7 celsius. Assume they come to the same temp, what is the final temp of the silver and water?
Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals. For example, should be entered as [He]2s^22p^2.
A certain first-order reaction (A-->product) has a rate constant of 3.90×10-3 s-1 at 45C . How many minutes does it take for the concentration of the reactant,(A) to drop to 6.25% of the original concentration?
A particular first-order reaction has a rate constant of 1.35 x10^2 s^-1 at 25 degrees Celsius. What is the magnitude of k at 95degress Celsius if Ea= 55.5 kJ/mol?
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