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Calculate the pressure of 1.00 mole of CH4 in a 1.00 L container at 300.0 K using first the vand der Waals equation and then the ideal gas sequation.
A beaker contains 100 grams of 0.50 M NaCl. If you transfer 50 grams of the solution to anouther beaker, what is the molarity of the solution remaining in the first beaker?
A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00g H2, and 165.0g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C?
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
Potassium chloride, KCl, sodium sulfate, Na2SO4, glucose, C6H12O6, carbon dioxide, CO2, and ammonium phosphate, (NH4)3PO4, are soluble in water
If 1.32g of al were reacted with an excess HCl, what amount of Hydrogen gas would be theoridocially be admitted at STP?
Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I- (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K = 419 kJ/mol, IE I = 1010 kJ/mol; EA K = 48 kJ/mol. EA I= 295 kJ/mol
A single crystal of a metal is oriented for a tensile test such that its slip plane normal makes an angle of 65.5° with the tensile axis. Three possible slip directions make angles of 30°, 48°, and 78° with the same tensile axis.
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
a student prepares benzoic acid by hydrolying 6.47g of methyle benzoate (FW 136.15g/mol) using excess sodium hydroxide. If the student recovers 3.71g
the trunk remains undistrubed for 13,750 years what percentae of the original c-14 is still present ? ( half life of c-14 = 5730)
How many protons, and how many neutrons are present in the nucleus of each isotope? What is the natural abundance of each isotope, if the average atomic mass of gallium is 69.72 u?
If each mole of gas occupies 55 L under the conditions of the explosion, how many liters of gas are produced? c) how many grams of N2 is produced in the detonation?
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