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Compute the zero point energy of a harmonic oscillator consisting of a particle of mass 2.50x10-26 kg and force constant 155 N m-1.
what external pressures have moved mainstream medicine to accept alternative therapies? have any alternative therapies
If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath what is the minimum percent recovery of the recrystallized material?
Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.
In the process, a photon of wavelength 1.28Ã-10-6 m is emitted. What was the value of the principal quantum number for the higher energy level?
If you have 500 ml of 10% SDS solution, how much SDS needs to be weighed out for 10% at 500ml
when steam condenses to h2olliquid water heat of 2.26kj is released per gram. the heat from 168 grams of steam is used
Strychnine, C12H22N2O2, is a weak base. An aqueous solution of 0.0515 M strychnine solution has a pH of 10.48. What is the Kb for strychnine based on these measurements?
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
The first-order decomposition of S2O6(g) to form SO3(g), has a half-life of 1.262 x 10-3 s at 45oC. How long will it take for 60% of a 0.34 M sample to decompose at 45oC
density generally increase decrease or remain unchanged when items are heated,Briefly explain your answer?
Which one of these equations describes a redox reaction?
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women.
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