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What is the temperature of 0.52 mol of gas at a pressure of 1.3 atm and a volume of 11.8 L?
Please show all work and proper equations to get answer.
A sample of 0.836 gm of unknown compound containing barium ions ( Ba2+) is dissolved in water and treated with an excess of Na2SO4. If the mass of BaSo4 precipitate formed 0.7403 gm, What is the percent by mass of Ba in the original unknown compou..
1. what is the eletron configuration of hg ion?2. why does it actually exist as hg22 ion rather than as hgion?3.when
Assume that the maximum number of ATP's is produced (38). At pH 7, and in the presence of excess Mg2+
Calculate the volume of the NaOH solution needed to completely neutralize the acid in the flask. Calculate the pH for a, the initial acid solution in the flask
A 300 mL stock solution contains 0.9 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution.
A mixture containing 0.432 mol He(g), 0.312 mol Ne(g), and 0.721 mol Ar(g) is confined in a 8.00 L vessel at 25 °C and a total pressure of 2.92 atm. Calculate the partial pressure in atm of the He gas.
The half-life of plutonium-239 is 24 110 yrs. Of an original mass of 100.g, how much plutonium-239 remains after 96 440 yrs?
Determine the half- life, in hours of iodine-123 If the amount of radioactive Iodine-123 in a sample decreases from 0.4 grams to 0.1 grams in 26.4 hours?
Draw a stick model of a water molecule. Sketch a space filling model of a water molecule, show polarity by labeling positive and negatively charged regions of the molecule.
Determine the collision frequency and mean free path for neon at 273 K and 0.113 MPa. The molecular mass of neon is 20.183 kg/kgmole.
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
For a protein with a molar mass of 1 x10 6 u calculate the molar concentration required to obtain an osmotic pressure of 10 matm at 25 degrees C
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