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Which basic arrangement would best accommodate three electron domains in the valence shell of a covalently bonded atom?
A) bent or angular
B) trigonal planar
C) trigonal bipyramidal
D) linear
Cadmium ion in solution is analyzed by precipitation as the sulfide, a yellow compound used as a pigment in everything from artists' oil paints to glass and rubber. Calculate the molar solubility of cadmium sulfide at 25?C ?
What is the concentration of a solution of silver nitrate if 50.0mL of the solution reacting with excess potassium chloride gives 10g of precipitate
London dispersion forces are weak intermolecular forces that work to attract both polar and nonpolar molecules to one another via instantaneous dipole moments. These are extremely short-lived fluctuations in the distribution of electrons around an..
Suppose a nearby storm passage causes the wind speed in the town to suddenly increase to 10.0m/s. What is the carbon monoxide concentration one hour later?
In the reaction: NH3 + H2O ? NH + OH-, the water molecule serves as a. a proton donor b. a proton acceptor c. a weak base d. a strong base
A 14.0 g sample of X combines with a 26.2 g sample of Y to form the compound XY2. What is the mass of the reactants.
If we add CO2 to increase its concentration to 0.450mol/L, what will the concentrations of all the gases be when equilibrium is reestablished
Ignore the volume of water, and determine the final volume of the reaction mixture at 1.00 atm and 298 K if the reaction goes to completion.
Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 25 mL of octanol at pH 4.00 in water.
1)What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures.
Calculate the temperature in K for a blackbody radiation with ?max = 700 nm. ( the wavelenght corresponding to the maximum in the planck distribution at the temperature T)
The specific heat of liquid ethanol is 2.3 J/g-K. How much heat is required to convert 28.0 g of ethanol at 28 C to the vapor phase at 78 C
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