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Activating effects: Using resonance contributors, explain why the methoxy group is an activator and an ortho/para director in electrophilic aromatic substitution? A drawing would be helpful too
What is the maximum no of S.F possible in final result (concentration of NaOH)? Explain.
A 48.1 mL sample of gas in a cylinder equipped with a piston is warmed from 22 degrees C to 90 degrees C. what is the volume at final temperature?
when sodium is heated a yellow spectral line whose energy is 3.37x1019 jphoton is produced. what is the frequency and
In another experiment it was determined that for each mole of hydrocarbon, 7 moles of oxygen gas are consumed and 5 moles of CO2 gas and 3 moles of H2O liquid are produced. Find ?H per mole of this hydrocarbon (in kJ) at 298 K
What is the maximum mass, in gram, of Fe3O4, that can be produced from this reaction? B)If 3.26 g of Fe3O4 are actually made, what is the percent yield of this process
Trouton's rule states that the entropy of vaporization of nanopolar liquid is 88 JK-1 mol-1.. the normal boiling point of 1-octene is 121.3 C and its melting point is -101.73 C determine the enthalpy of vaporization of this compound.
What is the kinetic energy in joules of a 1183 motorcycle moving at 63.
Predict whether or not the ionic compound AX is likely to form. In this compound, A forms the A+ cation, and X forms the X?anion.
write an equation that shows the formation of the chloride ion from a neutral chlorine
Solid lead (I) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas.
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
What is the pH of a solution that is formed at 25C by combining 300 mL of 0.040 M NaOH with 400 mL
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