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What are the similarities between distillation and sublimation? When would you choose one over the other?
Each of the following compounds exhibits a single 1H NMR peak. Approximately where would you expect each compound to absorb? a. cyclohexane b. acetone c. benzene d. glyoxal (ethandial) e. dichloromethane f. trimethylamine ((CH3)3N)
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
Nitrating Acetanilide- draw the resonance forms for the arenium ion formed during your reaction (nitroacetanilide)
Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K
What is E for the transition of an electron from n = 7 to n = 4 in a Bohr hydrogen atom. What is the frequency, of the spectral line produced
Spontaneous reactions always have Delta Sr > 0 E) A Thermodynamically stable compound is a compound with a negative standard free energy of formation
machine a waspurchasedthreeyearsago for 10000 and had an estimated market valueof 1200 at the end ofits 10-year life.
What is the pH of a solution in which 258 mL of HCl(g), measured at 27.5^circ C and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
A new atom is found that has 3 isotopes with masses of 262, 263 and 265. If the first is 0.17 abundant and the second is 0.41 abundant, what is the atomic mass of the element (give your answer to 2 decimal places).
What are the most important kinds of INTERmolecular forces present in each of the following substances
calculate the pH of a solution that is prepared by mixing 75ml of 0.20 M (NH4)2SO4
50 g of aluminum oxide is produced in the reaction of aluminum metal and oxygen gas at STP. How many liters of oxygen gas were reacted?
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