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Depict the structure(s) of the epoxide(s) you would get by formation of a bromohydrin from cis-3-heptene, followed by treatment with base
the hydrogen oxalate ion hc2o4- is amphiprotic. write a balanced chemical equation showing how it acts as an acid
Calculate the heat of vaporization of water at 25 degree celsius. the specific heat of water may be taken as 4.18 J/K/g. the heat capacity of water vapor at constant pressure in this temperature range is 33.5 J/K/mol
two simillar reactions have the same rate constant at 25 degress, but at 35 one of the reactios has a higher rate constant than the other. Account for these observations.
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Define partial molar quantity and hence write an expression for a thermodynamic quantity in terms of its partial molar values. Two liquids A and B with molar masses of 18g mol-1 and 46 g mol-1, respectively are mixed to give a solution in which th..
If you compare two acids of the same concentration with different Ka values. Which acid solution should have the lower pH value
Two liquids, A and B, show partial miscibility below 52.4 C. The critical concentration at the upper critical temperature is x=0.459, where x is the mole fraction of A. At 40.0 C the two solutions in the equilibrium have x=0.22 and x=0.60, respect..
Dimethyl ether and ethanol are structural isomers of C2H6O. Which one will have a higher boiling point? Explain why and do the same for their melting points.
Draw the neutral major organic product pentanoic anhydride & 2 equivalents of dimethyl amine [HN(CH3)2] given that one equivalent of amine acts as the nucleophile
hydrogen atoms have an absorption line at 1.026x10-7m.what is the frequency of the photons absorbed and what is
Assuming that one mole of NaN3 produces one mol of N2, what volume, in liters, of nitrogen gas is released from the decomposition of 1.88 g sodium azide? The pressure is 755 torr and the temperature is 24 degrees C.
water can be expressed in polynomial form, vs the number of moles of ethanol (nEtOH), as 1002.93+54.6664*nEthOH-0.36394*nEthOH^2+0.028256*nEtOH^3, the partial molar volume of ethanol has its minimum value at m > 0.004 mol/kg.
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