Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 537 mmhg. (the heat of vaporization of ethanol is 39.3 kj/mol; the normal boiling point of ethanol is 78.3 degrees celcius, r=8.314 j/k mol.

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid