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Calcium hydroxide, Ca(OH)2, dissolves in water to the extent of 1.04 g/L. What is the value of Ksp for Ca(OH)2?
Suppose the energy level of an electron with quantum number n was proportional to n instead of 1/n^2, E= -2.18 x 10^-19 J
Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid and what is the mass in mg
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 7.0×10?2 .
Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added:
What is the molarity of I2 when 5.00g of iodine is dissolved in enough dichloromethane to make 50.0 mL of solution
Calculate the pressure difference between CH4 and an ideal gas under these conditions. The van der Waals constants for CH 4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
The horizontal end of length L is closed but the vertical end is open to the atmosphere. A fluid of density (p) fills the tube to a height H and the tube is rotated about the vertical axis at rotational speed w. Find the gage pressure at the close..
What is the heat of neutralization per mole of HCl? Assume that the original solutions made independent contributions to the total heat capacity of the system following their mixing. ( in kJ/mol)
140 mL of a .175 M aqueous solution of NH3 is titrated with a .106 M solution of HCl. (NH4+ Ka=5.56x10^-10)
At 700 K the equilibrium constant for the reaction CCl4(g) C(s) + 2 Cl2(g) is Kp = 0.76. A flask is charged with 2.00 atm CCl4, which then reaches equilibrium at 700 K.
iodized salt is a mix of NaCl and KI. if the content of 75 ppm what is the iodine content?
Choose one of the following atmospheric issues: air pollution, global warming, ozone depletion, and acid deposition. Then, respond to the following,
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