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Explain which would not be a way a substituent on a benzene ring could donate or withdraw electrons when considering it as an activator or deactivator? You may require to refer to your lecture textbook on reactions of substituted benzenes for this question.
a. Inductive electron withdrawalb. Resonance electron withdrawalc. Resonance electron donationd. Nucleophilic acyl substitution withdrawal
How many grams of sodium lactate must be added to a 1.00 L solution of 0.400 M lactic acid to make a buffer with a pH of 3.70
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
If 24.92mL of 0.01232 M NaOH solution are required to titrate 0.1932 g of an unknown diprotic (n=2) acid, explain what is the molar mass of the acid
a sample of oxygen with a pressure of 400 mmhg contains 2.0 mol of gas and has a value of 4.0l. what will the new
A 10.0 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
if someone ate 6259 ml of snow how much water would they have consumed? how many kj would be required to bring it to
uses of de-broglie equation in electromagnetic specra.a. what is the maximum wavelength of energy needed to observe a
A gravimetric method for Al was found to give results that are constantly low by 0.70 mg Al. Calculate the parts per thousand error when 750 mg sample containing approximately 12% Al is analyzed by this method.
Select a suitable substance to be sealed within the vial. (b) Within less than 10% error, what magnitude of pressures must the vial withstand?
Need help with this question: Calculate the heat needeed at 0 degreess C to make each of the fallowing changes of state, indicate weather heat s absorbed or released. 1.) how many calories does it take to freeze 35g of water
air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which
The solubility of benzoic ascid in water is 6.80g per 100mL at 100 degrees C and 0.34g per 100mL at 25 degrees C. Calculate the minimum volume needed to dissolver 1.00g of benzoic acid at 100 degrees C.
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