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Potassium and sodium chloride are similar in charge and they both have the same anion. When comparing sodium chloride (36 g / 100 mL at 0 oC) and potassium chloride, which has a higher solubility at 0 oC?
How much commercial fresh concentrated H2SO4 solution (in mL) would you have to add to 100mL of distilled water to make a 1.5N solution
The solubility of suberic acid is 0.14 g/100 ml of water or 0.56 g/100 ml of ether. Calculate the volume of ether needed to remove 90% of the suberic acid from 100 mL of saturated aqueous solution in a single extraction.
Consider the reaction A? B Assuming ?G?f (A) = 8.066 kJ/mol and ?G?f (B)= 12.24 kJ/mol, what is the equilibrium constant for this reaction at 25 oC
Drinking mineral water but I do not like too many dissolved ions in the water. Therefore, I bought a water carbonation machine. This machine works by providing CO2 at 5 atm. Estimate the concentration of the soda water it produces. Use a Henry's law ..
Explain what is the orbital angular momentum of an electron in the orbitals (a) 3s (b) 3p (c) 3d. Offer the numbers of angular and radial nodes in each case.
If the density of air at an ordinary atmospheric pressure and 25 degrees Celsius is 1.19g/L. what is the mass, in kilograms, of the air in the room that measures 12.5x15.5x8.0ft
the activation energy for a particular reaction is 95 kjmol. by what factor will the rate constant increase when the
What is the volume of 0.2 kmol of ideal carbon monoxide in en equilibrium state where the gas density
Calculate the vapor pressure of a solution containing 27.2g of glycerin in 134ml of water at 30.0 C. The vapor pressure of pure water at this temperature is 31.8torr
When 0.694 L of Ar at 1.20 atm and 227°C is mixed with 0.262 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask?
question if a formic acidformate buffer is 0.031 m in formic acid and has a ph of 3.91 what is the molar concentration
The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination complexes and oxidation-reduction. Identify each of the following as primarily one of the above kinds of reaction.
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