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What feature of a Lewis structure can be used to tell if a molecule's (or ion's) electron-pair geometry and molecular structure will be identical?
The combined flow to the two tanks is .1 m^3/s. the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
Methanol, ethanol, and n-propanol are three common alcohols. When 5.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
Question- You add an excess of solid MX into 250 g of water. You measure the freezing point of the solution and find it to be -0.028°C. Assuming the solution has a density of 1.0 g/mL, what is the Ksp of the solid
Calculate the van't Hoff factor of formic acid (e.g.amount dissociated/total amount of formic acid).
calculate the approximate mass of KHP required to react with 40.0 mL of 0.125 M sodium hydroxide in titration.
calculate the density of iron fe given that the melatllic radius isrfe 1.24 angstrom and that fe displays a body
A buffer solution is prepared by adding 1.5 g each of benzoic acid and sodium benzoate in 150.0 mL of solution. what is the pH of the buffer solution
Two samples of copper and lead both weighing 1.500g each recive equal amounts of heat. The temp. of copper increased from 25.0 degrees celcius to 30.0 degreees celcius.
Calculate the volume (L) of gas present if the temperature and pressure are changed to standard temperature (0 °C) and pressure (1.00 atm).
If the van't Hoff factor for NaCl is 1.85, what is the freezing point of a 0.68 molal NaCl solution in water? Kf = 1.86°C/m Enter to 2 decimal places and in °C.
a gaseous mixture containing 0.220 mol fraction of carbon tetrachloride ccl4 and 0.780 mol fraction of dry air is
A solution has [C6H5COOH] = 0.100 M and [Ca(C6H5COO)2] = 0.200 M. Ka = 6.3 × 10^-5 for C6H5COOH. The solution volume is 5.00 L. What is the pH of the solution after 10.00 ml of 5.00 M NaOH is added? How would I do this using the Henderson Hasselbalch..
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