the normal boiling point of liquid octane is 399 K. assuming that its molar heat of vaporization is constant at 36.3 kJ/mol, the boiling point of C8H18 when the external pressure is 1.23 atm is

Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges