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Problem- If I have 300mL of a solution of 25 g/mL. I want to dilute it to a concentration of 5 g/mL. What do I do? Please illustrate work and any conversions to assist me better understand.
Offer a full mechanism for the synthesis of 2, 5-di-t-butyl-1, 4-dimethoxybenzene. Comprise all charges major resonance structures and intermediates. Utilize arrows to clearly show bonds forming and breaking between atoms
Problem- A buffer solution contains .20 moles of methanoic acid, HCOOH, and .30 moles of sodium methanoate, NaCOOH in 1.00 L of the buffer. The acid ionization constant, Ka of methanoic acid is 1.8 x 10^-4
When a person with hypoventilation is placed on a ventilator, an air mixture is delivered at pressures that are alternately above the air pressure in the person's lung, and then below. How will this move oxygen gas into the lungs, and carbon dioxi..
Problem- A sample formed by 2.00 mol of an ideal gas initially at a pressure of 1.00 atm and a temperature of 350 K, is heated reversibly to 400 K at constant volume.
His calorimeter contained 64.0 g of water at an initial temperature of 20.7°C. When he added 1.65 g of KOH (s) to the calorimeter, the temperature rose to 26.9°C. What value of pH can Juan obtain from his data
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
In several sentences (not a long answer, in other words, describe the source of alkenes -- how do we obtain therm. (They are very useful in synthesis of other organic compounds, of many sorts, so we need a source of them. What is it
2-Methylpentane and 4-methyl-2-pentanone are constitutional isomers with the molecular formula C6H12O.each shows a molecular ion peak in its mass spectrum at m/z 100.
Calculate the amount of heat liberated (in kJ) from 347 g of mercury when it cools from 85.0°C to 15.0°C.
Write the structure of the product formed by treating montelukast with one equivalent of sodium hydroxide. Write the structure of the product formed by treating montelukast with one equivalent of HCl.
The Sodium cyanide reacts with 2-bromobutane in dimethylsulfoxide to form a substitution product. Recognize the configuration of the 2-bromobutane structure exposed below.
Assume a scuba diver is working at a depth where the total pressure is 5.0 atm (about 50 m below the surface). What mole fraction of oxygen is necessary in order for the partial pressure of oxygen in the gas mixture the diver breathes to be 0.27 a..
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