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A hydrocarbon has 93.71 % of C and 6.29% of H and has a molecular weight equal to 128 uma. Determine its molecular formula.
When 1.5173 of an organic iron compound containing C, H, O, and Fe was burned in O2, 2.838 g of CO2 and 0.8122 g of H2O were produced. In a separate experiment to determine the mass
Does adding boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip increase, decrease, or have no effect on the Ksp
The mass spectrum of an organic compound shows the relative abundances of M to be 58.07% and M 1 to be 8.165%. Assuming the peaks are caused by 12C and 13C isotopes
Use the collision theory to calculate the theoretical value of the second-order rate constant (in m3 mol-1 s-1) for the gas-phase reaction D2 + Br2 = 2 DBr at 450 K assuming that it is elementary bimolecular. The collision cross-section for this r..
Assuming that the following structures exist, draw the structures of IF7, IF6G,IF5 and IF4G. In addition, what would be the bond hybridization in each of these compounds and would expect them to be stable
how many moles of solute are present in 700ml of 0.230M SrBr2
A specific brand of gourmet chocolate candy contains 7.00g of dietary fat in each 22.7-g piece. How many kilograms of dietary fat are in a box containing 2.00lb of candy?
What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.
Determine the percent by mass water content of our brand and compare it to the competiotyors brand.
An open tubular chromatography column is 31.8 m long and has an inner diameter of 0.528 mm. The inside wall is coated with a layer of stationary phase 3.2 ?m thick. Unretained solute passes through the column in 2.23 min, while a certain solute ha..
a smaller amount of A would remain in the water than if the solution were extracted with one 50mL portion of diethyl ether.
For barium flouride Ksp= 2.4 x10^-5 compared to its solubility in pure water, will barium flouride be more soluble, about equally soluble or less soluble in each of the following solutions
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