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Problem- An ultra-high-vacuum pump can reduce the pressure of air from 1.0 atm to 1.0E-12 mmHg. Calculate the number of air molecules in a liter at this pressure and 298k.Compare your results with the number of molecules in 1.0 L at 1.0 atm and 298k. Assume ideal-gas behavior.
Be supposed to answer all parts thus I can get five stars
the molar mass of the general anesthetic methoxyflurane is 164.97 g mole-1. suppose that this compound be can relied on
octane has a density of 0.692 gml at 20 degrees celsius. how many grams of o2 are required to burn 1.00 gal of
Problem- The silver-ion concentration in a saturated solution of silver (I) oxalate is 2.2 x10-4 M. What is Ksp for silver (I) oxalate?
what is the mass of the zinc sulfide product. Express your answer with the appropriate units.
a solution contains 50.0g of heptane c7h16and 50.0g of octane c8h18 at 25 degrees c.the vapor pressures of pure heptane
its clay concentration and the CEC of the clay be able to estimate the draction of CEC due to organic matter in the sample
Explain a non-reducing sugar found in honey has the molecular formula C18H32O16. Acidic hydrolysis gives 1 mole D-fuctose, 1 mole. Compute the total number of stereoisomers possible for this trisaccharide
acetic acid has one carbon- oxygen bond that is 1.36 A nd another 1.23 A however sodium acetate has two equal carbon- oxygen bonds
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O. What is the empirical formula for ephedrine
Data from a lab experiment to calculate the concentraion of the deprotoned form of p-nitrophenol in the solution that we made up which consisted of:
Furthermore, by carefully monitoring the volume change it is determined that 92kJ of work is done on the mixture during the reaction. Calculate the change of energy of the gas mixture during the reaction in kJ.
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