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When ethyl benzoate is heated in methanol containing a small amount of HCl, methyl benzoate is formed. Draw structural formulas for the first two intermediates in this reaction.
Indicate the order of formation of the intermediates by drawing a 'React' arrow from the first intermediate to the second.
When relevant, use the "+ charge" tool to convert a neutral oxygen or nitrogen atom to its protonated state. When you do this an additional hydrogen is added automatically along with the charge. Do not draw the additional hydrogens yourself.
Hydrangeas are flowers that retain blue coloration when grown in acidic soil and pink when grown in neutral or alkaline soil
A gas temperature at 100C occupies a volume of 154 mL. What will the volume be for the same amount of gas at a temperature of 10C, assuming no change in pressure?
You place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature Initially,. Determine which of the two liquid samples will cool faster and also explain why this happens.
Briefly explain how a lake with a limestone bed is more resistant to pH changes than a lake with a granite bed
In proteins, the amino acid histidine (His) plays an important role in many biological reactions. The pKa for the protonation of His to form HisH
Compute the number of gms of CoCl2 that would be needed to prepare the solutions:(a) 550 mL of a 1.75 M solution (b) 210 mL of a 0.0180 M solution.
Write electron pushing mechanism of Friedel-crafts acylatoin of anisole with acetic anhydride as acylating reagent and aluminum chloride and CH2Cl2
The reaction between sulfur dioxide and oxygen is exothermic. 2 SO2 (g) + O2 (g) 2 SO3 (g) Which of the following factors will cause the equilibrium to be shifted to the right
In the following reaction, C2H5OH + 3O2 → 2CO2 + 3H2O, if 54 grams of water is produced, how many grams of C2H5OH is needed for the reaction.
along with chemical shift arguments and resonance theory, assign all of the peaks in the 1H and 13C NMR spectra of 4-propoxybenzaldehyde. Briefly explain you reasoning.
Identify all of the substances that are used or produced in this experiment A5. Distinguish between elements and compounds.
A 500.0 g sample of aluminium is initially at 25.0 °C. It absorbs 32.60 kJ of heat from its surroundings. What is its final temperature, in °C? (specific heat = 0.9930 J g-1 K-1 for aluminum)
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