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If you place 30.0 L of hexane (C6H14) in a sealed room that is 3.75 m long, 2 m wide, and 3 m high, will all the hexane evaporate? If some liquid remains, how much will there be? The vapor pressure of hexane is 152 torr at 25 °C, and the density of the liquid at this temperature is 0.655 g/mL. Treat the room dimensions as exact numbers.
Consider the titration of 46.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at the following points. A)After the addition of a large excess of acid
Calculate the APF for (a) the simple cubic and (b) body centered cubic lattices as volume of atoms/volume of cell. (c) Which structure is more dense given atoms of equal mass? The edge length for simple cubic is 2r. Remember that each corner atom ..
Hydrogen has three isotopes (1H 2H and 3H) and chlorine has two isotopes (35Cl and 37Cl). How many isotopic kinds of HCl are there. Write the formula for each, and tell how many protons, neutrons, and electrons each contains.
What is the pH of pure water at 40 degrees C if the Kw at this temperature is 2.92 x 10 to the -14th
Balance the following equation in acid solution and determine if it is spontaneous when all ion concentrations are 0.010 M and the gas pressure is 1 atm. NO3¹? (aq) + Sn²? (aq) ? NO(g) +Sn4? (aq)
I need assistance with a project concerning demographic transition, which is little confusing to me. I am really concerned with this class as I have a failing grade
when 28.6 kg of fe2o3 react with 17.2 kg of co and 6.3 kg of fe are recovered what is the percent yield for the
The following photo shows copper balls, immersed in water, floating on top of mercury. What are the liquids and solids in this photo? Which substance is most dense? Which is least dense?
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 350C
Can somebody who knows how to identify two R-side chains in a dipeptide ID lab using carbon and proton NMR please give me their email so i can send them some things i need help with.
A 50.0 ml aliquot of 0.1M NaOH is titrated with 0.1M HCl. Compute the pH of the solution after the addition of 0.00, 10.00, 25.00, and 40.00 ml of acid.
The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane and calculate the mass (in ) of carbon dioxide that is added to the atmosphere per 1.7 of octane burned
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