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Question- Account for the stability of alkenes like styrene on the basis of (a) delocalization of pi electrons, showing both resonance and hybrid structures and orbital overlap and (b) change in hybridization.
Please give the answer of the given question on urgent basis
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
Calculate the Average concentration of Toluene - construct a calibration graph of concentration vs area ratio for your results from Method, print it off and calculate the concentration
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
a 35.0-ml sample of 0.20 m lioh is titrated with 0.25 m hcl. what is the ph of the solution after 23.0 ml of hcl have
Complete combustion of 7.60 g of a hydrocarbon produced 24.3 g of CO2 and 8.70 g of H2O. What is the empirical formula for the hydrocarbon?
The difference between the energy of the products and the energy of the reactants D. Undefined because it depends on whether the reaction is endothermic or exothermic
For the titration of a weak base with a strong acid, the half titration point is reached when: Answer A. pH = pKb. B. pOH = pKb. C. pH = pOH. D. pH = pKa.
A 0.3288 g sample of a hydrocarbon(a compound of carbon and hydrogen ) was burned in air. The samplewas completely converted to 1.0562 g of carbon dioxide and0.5046 g of water. Find the emprical formula of the compound.
A sample of propane,C3H8, contains 10.8 moles of carbon atoms. How many total moles of atoms does the sample contain?
the heat capacity of solid lead oxide pbo is given bycp jmol k 44.35 1.67x10-3tcalculate the change in enthalpy of pbo
What volume in liters of O2(g) is required to form 46 L of CO2(g)? Assume both gases are measured under the same conditions.
If temperature and pressure remain constant, how does the volume of a gas sample vary withthe number of moles of gas present
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