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Calcium sulfate is a sparingly soluble solid (Ksp = 2.4E-5). What is the calcium concentration in a saturated solution of calcium sulfate (in mol/liter)?
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
kind of security from the cash using the lender they ought to choose the actual unsecured type of credit score. It's short term within character that the eye billed onto it is actually higher that they can can certainly conquer having a correct re..
When butane gas, C4H10, burns in oxygen gas, O2, to form carbon dioxide gas, CO2, and gaseous water, 2845 kJ of thermal energy is evolved per mole of butane burned.
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
A 32.22 g sample of a metal that looks like aluminum is heated to 99.8 C in hot water. The metal is then quickly transferred into exactly 50.0 ml of water at 22.9 C in a calorimeter
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
Question- The corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57Fe atom (molar mass of 0.0569 kg mol^-1). If the line has a width of 0.053 nm, what is the temperature of the corona
Which of the following substances form molecular crystals in solid form?
1. the valve between a ten litre tank containing a gas at a pressure ofnbsp 1 atm and a three lite tank containing a
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 203.00 pm What wavelength of light would have sufficient energy to ionize the atom
a laboratory animal exercised on a treadmill that was connected to a weight with a mass of 256 g through a pulley. the
Spinel is a mineral that contains 37.9% Al, 17.1% Mg, and 45.0% O, by mass, and has a density of 3.57 g/cm3. The unit cell is cubic with an edge length of 8.09 Å. How many atoms of each type are in the unit cell?
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