What is the mole fraction of methanol in a methanol (CH 3 OH)-prop propanol (CH 3 CH 2 CH 2 OH) solution that has a vapor pressure of 210 torr at 40 degrees * C

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

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