Hexane (1) and heptane (2) can be suitably modeled as an ideal solution and ideal vapor phase. Find the following for this binary mixture at a temperature of 90 °C: a) Total pressure of the mixture at x1 = 1. b) Total pressure of the mixture at x2 = 1. c) Total pressure of this mixture at x1 = 0.2. d) Which model did you use? Show all working. Find the relevant constants required for this problem from the Appendix of your textbook, Dahm & Visco et al.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

One nanometer is equal to how many meters?

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color