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At 20°C the density of mercury is 13.6 g/cm3. What is the mass of 25.0 mL of mercury at 20°C?
determination of the enthalpy for the termal decmmposition of potaassium bicarbonate without ignoring the given mass.
Calculate the pH during the titration of 30.00 ml of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid.
We titrated each layer with 0.10 NaOH and found that 1. took 2.57 mL of NaOH to titrate and 2. took 0.08 mL of NaOH to titrate. What is the concentration of acid in 1 and 2?
Calculate the molar solubility of AgCl in a solution made by dissolving 10.0 g of CaCl2 in 1.50 L of solution.
Write the structure for the pyrrolidine enamine and for the imine of cyclohexane. Write a balanced equation for the acid-catalyzed hydrolysis of each of these compounds.
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol.
a saturated solution of pbio32 in pure water has a lead ion concentration of 5.0 x 10-5 molar. what is the ksp value of
How is the vapor pressure of a liquid at a given temperature related to the strength of intermolecular forces
determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of
the molar heats of combustion of three hydrocarbon gases arech4 methane- 890.0 kjmolc2h6 ethane- 1560.0 kjmolc3h8
A 24 L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16 L?
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