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Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when dissolved in water. Elemental analysis of aspartame gives C 57.1%, H 6.2%, N 9.5%, with the remainder of mass accounted for by O. A molecular ion is observed in the mass spectrum at 294 amu. What are the empirical and molecular formulae of aspartame?
1. an empty drum weighs 1.035 kg and when filled with benzene it weighs 5.418kg.nbspnbsp if the density of benzene is
propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine
the thermite reaction is a very exothermic reaction it has been used to produce liquid iron for welding. a mixture of 2
Calculate the enthalpy of solution in kilojoules per mole of solute. Enter your answer numerically in kilojoules per mole of solute.
The pickering series for the He+ ion corresponding to a series of transitions, in which electrons fall into the level with n=4. Find The longest wavelength transition of the pickering series in Angstroms
Which of the solids below should display the lowest melting point? a)Al2O3 b)NaF c)C6H12O6 d)CsI e)C12H22O11
Calculate the de Broglie wavelength of an neutron moving at 1% the speed of light. Calculate the velocity of a neutron with a wavelength of 75pm.
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
adding sodium hydroxyde in the purification of a solid by recrystallization experiment?
Assume the value of Delta H for this reaction is -3.8*10^2 kJ/mol The formula is 4. 2HCl (l) + Mg (s) ??? MgCl? (s) + H? (g) Assume magnesium reacts with excess HCL. Calculate the heat that would be generated for a reaction of .20 g of magnesium m..
calcium hydride cah2 reacts with water to form hydrogen gas.cah2s 2 h2ol caoh2aq 2 h2gthis reaction is sometimes used
lactic acid hc3h5o3 is a monoprotic acid that dissociates in aqueous solution. if a solution containing 0.50 m lactic
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