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1,000 kg of soya beans, of composition 18% oil, 35% protein, 10.5% moisture and 36.5% other contents of carbohydrate ,fiber and ash are
A 4.1089 g piece of aluminum wire with a circular cross section is 42.06 cm long and has a density of 2.6989 g/cm3 what is the volume of the wire in cm3
The quantity of acetylene (HC+CH) in a gas mixture was measured by mass spectrometry, in which the signal for mass number 26 is proportional to the volume percent of acetylene. Gas Signal (mV) Blank
Write out a wave function for a one dimensional free particle with constant probability of finding the particle at amynpoint in one dimension
One thousand kg/h of an ethanol/methanol stream is to be separated in a distillation column. The feed has 40% ethanol and the distillate has 90% methanol. Eighty percent of the methanol is to be rec
Sketch a well behaved wave function in 1-d with the labels I. High probability and high kinetic energy, ii low probability and low kinetic energy, ii high kinetic energy and low probability. Which o
A silicon wafer is etched in a Cl2 plasma. A mass flow controller (used to meter the gas flow fed to the reactor) shows a reading of 100 sccm (sccm=standard cm3 per min; standard conditions are 273
Write a dissolution for each precipitate that is soluble in CH3COOH: Na2C2O4, Pb(NO3)2, Al2(SO4)3, NaCl, NaOH
Atoms of different elements also have different average masses, just like kernels and marbles. Use the mass values from a periodic table to answer the following questions.
Atoms of different elements also have different sizes, just like kernels and marbles. Use the atomic radii given below to answer the following questions. Remember that the volume of a sphere is 4/3
For propane, C3H8, the standard enthalpy of combustion of the gas is -2220 kJ/mol and the standard enthalpy of vaporization of the liquid is +15 kJ/mol. Calculate the standard enthalpy of combustion
One possible explanation is that two molecules of collide with each other and form two molecules of the product in a single elementary step. If that were the case, what reaction order would you expe
What is the final concentration of a BSA solution made from 400 uL of stock BSA solution (initial concentration 500 mg/mL) diluted with 1600 uL of water
Draw the lewis structures for these ions, and show which atom in each bears the formal charge. a.) CH3NH3+ b.)CO3,2- c.) OH-
Sketch NMR H spectrum for 1-Bromo-4-methoxybenzene and label all signals splitting and corresponding protons in the compound
what is the mass of the zinc sulfide product. Express your answer with the appropriate units.
What is the balanced equation of sodium borohydride and 4-tert-butylcyclohexanone? The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers.
If 19.4 grams of an aqueous solution of sodium bromide, NaBr, contains 1.69 grams of sodium bromide, what is the percentage by mass of sodium bromide in the solution
How many grams of FeSO4 are there in 206 grams of an aqueous solution that is 14.0 % by weight FeSO4.
The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers. Methanol is the solvent, but I don't think that goes into the balanced equation.
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 18.0g of carbon were burned in the presence of 62.3g of oxygen, 14.3g of oxygen remained unreacted. What mass of carb
Anhydrous, primary standard sodium thiosulfate can be prepared from the pentahydrate, Na2S2O3 5H2O. How many grams of primary standard should be dissolved in 500.0 mL of water to make a 0.040 M solu
The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned. If the reaction is CaC2 + 2H2O H2C2 + Ca(OH)2, how many liters of acetylene gas at 1.00 a
Calculate the total amount of caffeine that can be extracted into three portions of methylene chloride. Caffeine has a distribution coefficient of 4.6, between methylene chloride and water.
A student follows the procedure for his experiment and burn a peanut. The peanut weighed 0.780 g before combustion and 0.054 g after combustion. The temperature change of an aluminum can be filled w