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The vapor pressure of diethyl ether is 401mmHg at 18 degrees C and 593mmHg at 29 degrees C. Calculate the heat of vaporization of diethyl ether
depending on temperature, RbCl can exist in either the rock-salt or cesium-chloride structure. What is the coordination number of the anion and cation in each of these structures?
Calculate the maximum concentration in M of silver ions in a solution that contains 0.025 M CO3^2-. The ksp of AG2CO3 is 8.1 x 10^-12
Indicate how many electrons are transferred in the formation of one formula unit of product
If 113 g of Pb(NO3)2 reacts stoichiometrically according to the balanced equation, how many milliliters of 2.96 M aqueous NaI are required?
A sample consisting of various gases contains 3.1 X 10^-6 mole fraction of radon. This gas at a total pressure of 31atm is shaken with water at 30 degree celcius.
The filter cake consists of K2CrO4 crystals and a solution that contains 36.36wt% K2CrO4. The crystals formed account for 95% of the mass of the total filter cake. The solution that passes through the filter, also 36.36wt% K2CrO4, is the recycle s..
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 3.15
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide. The solutions were labeled 1, 2, and 3 respectively
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
Methane is burned in a Laboratory Bunsen burner to give CO2 and water vapor. Methane gas is supplied to the burner at the rate of 5.0 L/ min ( at temperature of 28° C and a pressure of 773 mm Hg).
List all the ionic species present (before any solution occurs) when the following solutions are mixed together: Ni(NOsub3)sub2(aq) and CaClsub2(aq)
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
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