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The mass spectrum for R-2 butanol which has a molecular weight of 74 has major peaks /z 59 and 45. What are the structures for the peaks at m/z 59 and 45. What structural features cause these fragments to be observed.
You begin an experiment with 0.20 M reactant A and 0.40 M reactant B. After the reaction has been allowed to achieve equilibrium, you have 0.10 M product C. What molarity of A do you have remaining at equilibrium
Describe the role of Macrophage as antigen presenting cell in adaptive immune system
calculate the mass of a single column of atmosphere over a 1 m^2 surface area on the planet. Assume that the planet is a smooth sphere with no variations in landscape such as mountains or valleys
1.list all the strong aqueous acids. what is the difference between a strong acid and a weak acid? how do the
Identify and explore the opportunities and challenges presented by Southwest Airlines' acquisition of AirTran. What are the merits and concerns of using the acquisition to launch the company's expansion into international territories?
Problem- A metal whose threshold frequency is 6.71 * 10^14 s^-1 emits an electron with a velocity of 6.95 * 10^5 m/s when radiation of 1.01 * 10^15 s^-1 strikes the metal. Use these data to calculate the mass of the electron
Two identical beads each have a mass m and charge q. when placed in a hemispherical bowl of radius R with frictionless, nonconducting walls, the beads move, and at equilibrium,
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
2noclglt--gt2nog cl2ga pressure of 0.600 atm of nitrosyl chloride is sealed in a flask and allowed to reach
Predict the number of chemically shifted (1)H peaks and the multiplet splitting of each peak that you would observe for diethly ether.
what is the energy difference between the heats of formation you calculated for carbocation A and B?
If Ammonia gas is produced by reacting hydrogen gas with nitrogen gas to produce 562 g of ammonia gas using air as your source of nitrogen gas, define what volume of air is required if the air is introduced at 29°C and 745 mmHg
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