1.3.1.1.2 The concept of equivalent weight The equivalent weight (EW) is the weight of polymer per mole of active sites (SO3−). It corresponds to the inverse of the ion exchange capacity (IEC) which represents the amount of sulfonate groups introduced per gram of polymer in a fuel cel...
How to find the molecular mass of C3H5O2 molecular mass of 292 g? Calculate the mass of 0.85 mole of water. Determine the mass of 5.66 x 10^{24} molecules of water. a. 164 g b. 1.69 x 10^{24} g Calculate the mass of water that contains 10,000,000,000,000,000,000,000 w...
In the context of calculating the average molecular weight of air, the molecular weights of individual gases are multiplied by their respective mole fractions, and the results are summed to obtain the overall average...
c) mole, mole d) mass, mass Molecular Weight: The molecular weight of a molecule can be defined as the sum of the masses of the atomic mass of all the atoms present in the molecule times their stoichiometric occurrence in the molecule. The number of individu...
1) The value of ideal gas constant is 8314 J/Kg mole K. How many gram moles of Nitrogen will occupy 1000 m3 at a pressure of 112 x 103 n/m2 and a temperature of 400 K2) Calculate the average molecular weight of flue gas having the followingcomposition by volume. CO2 13.1%, O2 7....
The catalytic hydrotreatment of sewage sludge, the wet solid byproducts from wastewater treatment plants, using supported Ir, Pt, Pd, Ru catalysts had been investigated with different solvent conditions. Reactions were carried out in a batch set-up at el
C7H6O forms a HSO3 compound of formula C7H7SO4Na in a 1:1 mole ratio. A white powder,consisting of a simple mixture of tartaric acid (C4H6O6) and citric acid(C6H8O7) was analysed to determine the elemental composition.Combustion of a 310.0-mg sample produced 384.0 mg of CO2 and ...
1060nm Diode laser works by heating the fat cells with a laser to a temperature at a temperature of 42-47(ºC) degrees to break down the subcutaneous fat cells, damaging their structural integrity, that causes lipolysis or fat cell de...
What is the molecular formula, if the molar mass of the sample is 234.0 g/mole and the empirical formula is C_5O_2NH_{11}?One molecule weighs 2.03 x 10-22 grams. What is its molar mass?What is the molar mass of UO2?What is the molar mass of C a 3 ( P ...
17. An oxidation-stable, high-temperature, porous ceramic insulation derived from a pyrolyzed siloxane gel consisting essentially of silicon, carbon, and oxygen in the mole ratios of about 1.0 mole of silicone, to about 0.1-1.0 moles of carbon to about 0.8-2.0 moles of oxygen; said ceramic ...