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Explain why is it significant to add the solution of bromine quickly as well as in one portion to the test tube containing the aromatic substrate?
Chlorine has two stable isotopes Cl-35 (34.968853) as well as Cl-37 (36.965903). If the isotopic abundance of Cl-35 is 75.77% Explain what is the average atomic weight of Cl given on the period table
which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C
Consider that the human brain weighs about 1 kg and contains 1011 cells. Assuming that each cell is entirely filled with water, and knowing that 1 cm3 of water weighs 1g, calculate the average volume of a brain cell
solutions of ag plus, cu 2 plus, fe 3plus, and Ti 4 plus are electrolyzed with the constant current until 0.10 mole of metal is deposited. which will require the greatest lenght of time.
the partial pressure of co2 inside a bottle of soft drink is 4.0 atm at 25degc. the solubility of co2 is 0.12 moll.
25ml of unknown amount of Cl- is treated with 40ml of .3650M AgNO3. Precipitate (agCl, kip: 1.80x10^-10) is filtered off and the filtrate was Tiresias 0.2870M KSCN. when 37.60ml of KSCN Is added to filtrate it turns red. How many micrograms of Cl-..
solid ammonium carbonate nh4co2nh2 decomposes at 25 degrees c to ammonia and carbon dioxide.nbspthe equilbrium constant
0.12g of compound "Y" dissolves in 10ml of acetone @ 25 deg C and 0.85g of the same compound dissolves in 10 ml of boiling acetone. If 5g of compound "Y" were to be recrystallized from 75 ml acetone, what will be the next maximum amount of "Y" tha..
Explain what is the volume percentage of a solution prepared by disolving 17 g of NaOH in enough water to make a final volume of 120 ml. Explain how many ml of a 10% solution can be made from the solution in the first question
the vapor leaving the top of a distillation column goes to a condenser in which either total or partial condensation takes place.
A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg
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