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A mole of hydrogen gas was found to have an average De Broglie's wavelength of 1A (10^-10m), the approximate length of the H-H bond. What temperature is the gas kept at?(calculate the average square velocity or kinetic energy).
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
What external pressures have moved mainstream medicine to accept alternative therapies? Have any alternative therapies been proven to work as well as standard treatments? Support your answer with information from the reading materials and/or inter..
What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point of 106.8
If 3.8 kcal of energy is released when 1 gram of glucose is combusted, calculate how many kcals are released when 0.689 moles of glucose are combusted
The stopcock between a 3.00 L bulb containing oxygen at 295 torr and 1.00 L bulb containing nitrogen at 530 torr is opened. What is the total pressure of the mixture.
The buret is misaligned with the drop counter so approximately 10 drops of NaOH are added to the HCl before they are counted
Provide the following information for a titration analysis involving a titrant and titrand, where the titrand is a weak, diprotic acid (Ka1 = 1.00 x 10-4; Ka2 = 1.00 x 10-8; Vol=0.01000 L; FH2A=0.1000 M) and the titrant is a strong monoprotic base..
Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.
What is the total mass of bovine serum albumin (BSA) in 50 ml of BSA at 4% (wt./vol), given in milligrams? What is the answer in micrograms?
An environmental chemist sampling industrial exhaust gases from a coal-burning plant collects a CO2-SO2-H2O mixture in a 21-L steel tank until the pressure reaches 850 torr at 45oC.
determine the renal extraction ratio for CHF patients it CHF reduces renal function by 1/2 and state and give explanation which is the more abundant isotopic form of copper.
Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate.
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