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Compute the difference in pressure between CH4 and an ideal gas if 14.0 moles of gas are in a 6.00 litres tank at the temperature of 21.1 degree celsius . The van der Waals constants for CH4 are a =2.300 L^2 x atm/mol ^2 and b=0.0430 L/mol.
The recommended dose is 10 body weight. How many of this suspension should be given to an infant weighing 16
The total molarity of acid and conjugate base = 0.100M. A boy adds 4.20 milliliters of a 0.370 M solution to the beaker. Determine how much will the pH change?
Aluminum and oxygen react according to the following equation: 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s) What mass of Al2O3, in grams, can be made by reacting 4.6 g Al with excess oxygen
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of ?H and ?S are independent of temperature.
In reference to the tripeptide Gly-Ala-Val, what is the isoelectric point at a pH of 5 and in what direction would it move if placed in an electric field.
what fraction of the band would be filled with electrons? Assume that all valence bands (5s, 4d, and 5p) overlap. Show your work and your resulting band diagram.
Calculate the equilibrium [F-] in a saturated solution of CaF2 and 0.0223 M Ca(NO3)2. Take ionic strength effects into account.
Could you tell me what is the purpose of this reaction (Michael and aldol condensation reactions), and the stepwise mechanism of the reaction.
If a solution is made from 100 g of pentane and 100 g of hexane, what will be the mole fraction of pentane in the gas phase over that solution (if only hexane and pentane vapor are present)? Assume no deviation from Raoult's law
What mass of sucrose should be combined with 474 g of water to make a solution with an osmotic pressure of 8.20 atm at 310K ?
A tank contains helium gas at 490. mmHg, nitrogen gas at 0.750 atm, and neon at 520. torr. What is the total pressure in atm?
At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175..
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