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What mass of CO2 will be produced when 100.0 g of C8H18 react completely in the equation? 2C8H18 + 25O2 = 16CO2 + 18H2O?
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
The native conformation of a protein represents the lowest energy state of the polypeptide. Would you expect it to be always true
give full mechanism: show the base-catalyzed formation of the monobutylated product from 1-chlorobutane and diethyl malonate
What is the synthesis for the following compunds from simple organic precursors? Important Using original syntheses, not from published works.
Calcium and Magnesium carbonates occur together in the mineral dolomite. Suppose you heat a sample of the mineral to obtain the oxides,CaO and MgO, and then treat the oxide sample with HCl. If 7.695g of the oxide sample requires
How many Grams of NH3 are consumed when 12.5 grams of 02 react completely in the following equation? I am not sure exactly how to solve this.
The vapor pressure of pure water at 70°C is 240. mm Hg. What is the vapor pressure depression of a solution of 150. g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 215 g of water?
A sample of gas is confined to a cylinder housed with a movable piston. The gas occupies a volume of 1.8 L at 1.8 atm and 25°C. Calculate the volume of the gas sample if the pressure is increased to 8.6 atm at constant temperature.
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
15g of steam at 373 K is added to 250g of H2O at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate changes in entropy for the process.
What is the initial concentration of the Fe2+(aq) solution?
Calculate the change in total internal energy for a system that releases 2.26 x 10^4 kJ of heat that does 5.54 x 10^4 kJ of work
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