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Determining the volumes of your solid samples( rubber stopper , cork stopper, and pennies) by measuring their dimensions and calculating it mathematically would be more or less accurate then by determining their volumes by water displacement ? explain
Define the total mass flow rate of a process stream is 67 kg/h. If the mass fraction of toluene in the stream is 0.65. Explain what is the mass flow rate of toluene
It is found that initial with pure A the volume after 12 min is increased by 70% at a pressure of 1.8 atm. If the similar reaction is to be carried out in a constant volume reactor and the initial pressure is 1.8 atm, compute the time required to ..
A certain person had a brain that weighed 1.40 kg and contained 4.89 x 1010 cells. Presuming that each cell was completely filled with water density = 1.00 g/mL compute the length of one side of such a cell if it were a cube.
When an aqueous solution that is 1M each in HCl, ZnCl2, and CoBr2 is electrolyzed, the elemental products formed initially at the cathode and anode are, respectively
Ethyl acetate liquid (flask with ethyl acetate with the top cover with aluminium paper with small whole in the top and inserted inside hot water container) Was the vapor really "ideal". If not, how were calculations affected
The following data have been obtained for oxygen gas at 273.15K. Calculate the best value of the gas constant R from them and the best value of the molar mass of O2.
A 2.50-g sample of this mixture was dissolved in 100.0 mL of water, and 0.750 M silver nitrate was added dropwise until precipitation was complete. The precipitate was collected, dried and weighed. What was the mass percent of barium chloride in t..
In the ground state of an atom of silver (Ag), Define how many electrons will there be with the quantum number l = 1. (The n, ml and ms quantum numbers may have any appropriate values.)
Problem- Calculate the volume in mL of a 1.350 M HCl solution required to titrate the following solution. Write reaction equation
This portion is dissolved in acidic media before diluting to 250.0mL in distilled water. from this you take a 1.00mL aliquot and dilute this to 200.0mL in distilled water.
A solution is prepared by dissolving 14.7 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 56.00 mL of water.
A Reaction has a rate constant of 1.22*10^-4 /s at 20 degrees Celsius and 0.227 /s at 75 degrees Celsius. 1. Determine the activation energy for the reaction (kJ/mol)
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