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in an industrial process nitrogen is heated to 400kelvin at a constant volume of 1m3.the gas enters a container at 300k and 100atm. the mass of the gas is 92.4kg. use the vander waals equation to determine the approximate pressure of gas at its working temperature. for nitrogen a=1.352dm6 and b=0.0387dm3mol-1
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
How much heat energy is needed to raise the temperature of 2.01 Kg of this oil from 23 C to 191 C?
a solution is 40 acetic acid by mass. the density of this solution is 1.049 gml. calculate the mass of pure acetic acid
How do you break HClO4 down showing it as an acid according to archenius definition
What is the value of the mean ionic activity coe?cient for Ce2(SO4)3 when the electromotive force (EMF) for the cell: Ce(s) | Ce2(SO4)3(aq) | Hg2SO4(s) | Hg(l) is 3.208 V at 25 oC and constant pressure of 1 bar. The molality of Ce2(SO4)3 is 0.0170..
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
Liquid ammonia ionizes to a slight extent. 2NH3(l) > NH4^(+) + NH2^(-). At -50 degrees Celsius, its ion product is K(NH3) = [NH4^(+)][NH2^(-)] = 10^(-30). How many moles of amide ions, NH2^(-), are present per mm^3 of pure liquid ammonia
What is the pH of the solution created by combining 8.00 mL of the 0.10 M base with 8.00 mL of the 0.10 M acid
What is the concentration of SO2. 2SO2(g)+O2(g)===2SO3(g) Keq=3.94 at 600 degress celsius
If 32mL of 7.0M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield?
the use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens
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