Recent content by belltos

The only relationship I know between boiling point and vapor pressure is that the boiling point is the temperature where the vapor pressure of a liquid is equal to external pressure.

Homework Statement At what temperature will isopropanol (Tbp = 82.5C) and carbon tetrachloride (Tbp = 76.7C) have the same vapour pressure? For isopropanol and carbon tetrachloride, the standard enthalpies of vaporization are 32.54 kJ mol-1 and 44.0 kJ mol-1, respectively. Homework...

Ahhh... thanks for the help all. Finally figured it out, need to use my initial velocity as the constant after integrating, then v(0) would equal 2.7 and not 0

Integrating the acceleration function (6.1 - 1.2t) gives 6.1t - 0.6t^2, and using t = 0,6 as borders I get an answer of 15. I'm not sure where this gets me. I'm thinking it is the max. speed reached by the cyclist. I could also set 6.1 - 1.2t = 0 and solve for t, which is t = 5.083, which...

Sorry, I thought I did show what I thought the relevant equations were, and even said what I have tried... either way... I'm thinking I should use the formula x = x0 + v0t + 1/2at^2 with: a = 6.1 - 1.2t x0 = 7.3m v0 = 2.7m/s plugging these into find x = 7.3 + 2.7t + .5(6.1 - 1.2t)t^2 then...

1. A motorcyclist who is moving along an x-axis directed towards the east has an acceleration given by a = 6.1 -1.2t m/s2 for t between 0 and 6s. At t=0, the velocity and position of the cyclist are 2.7 m/s, and 7.3m. a) What is the maximum speed achieved by the cyclist? b) What total...