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Question- Imagine a meta-xylene with -NO2 and -NH2 groups attached as substiuents to its benzene ring (in place of an H atom for each group). If the -NO2 group is directly between the meta-xylene methyl groups and the -NH2 group is para to the -NO2 group, significantly different B/L basicity is observed for the -NH2 group than if the -NH2 grup is directly between the meta-xylene methyl groups and the -NO2 group is para to the -NH2 group. Explain with lewis structure analysis and resonace effects. Note: consider steric effects
Separate your answers with a comma. Show the process and each step.
If the temperature of a gas is increased from 20 to 40 degrees celcius, by what factor does the speed of of the molecules increase
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
An electron in the n=5 level of a hydrogen atom emits a photon wavelength 1282.17 nm. To what energy level does the electron move?
Identify the rate determining step, reaction intermediates and the experimental rate law (intermediates can not be in the rate law)
If the cuvettes are not wiped clean in an experiment, fingerprint smudges may be present during analysis. Explain how this error would affect the absorbance readings for blue dye in the analysis
The freezing point of pure benzene is 5.50 °C and the freezing point depression constant of benzene, Kfp, is -5.12 °C/m.
a graduated cylinder contains 142 of water. a 15.0 piece of iron density 7.86 and a 19.0 piece of lead are added.
Question- The value of for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is 2S(s)+3O2(g) - 2SO3(g)
a student found that a maximum of 0.800g silver acetate is able to dissolve in 100.0ml of water. what is the molar
How much 1.0 M NaOH must be added to a 100 ml of 10 mM H3PO4 to raise the pH of the solution to 7.0? B) If 2 volumes of 2.0 M Na2HPO4 are added to 1 volume of 0.1 M H3PO4, what is the pH of the resulting phosphate buffer?
For the reaction, calculate how many moles of the product form when 0.036 mol of O2 completely reacts.
A tank at is filled with of sulfur hexafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions.
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