Determine the vapor pressure lowering of a solution
Determine the vapor pressure lowering of a solution of 4.00 g of aspirin (molecular weight = 180.15g/mol) at 21.2°C in the 75.0 g of methanol (CH3OH). Pure methanol has a vapor pressure of 101 torr at this temperature.
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A spacecraft is moving past Earth having a velocity of 0.7c. It launches a rocket which moves in the similar direction as the spacecraft at a speed of 0.8c. Determine the speed of the rocket relative to Earth?
Why should there be more of theortho or Para product when isobutyl benzene undergoes nitration with nitric acid and sulfuric acid?
The resonant frequency of the RCL circuit is around 4.0 kHz and the value of the inductance is around 7.4 mH. Determine the resonant frequency (in kHz) if the value of the inductance is around 2.4 mH?
Write down a sequence of reactions that will producem-bromofluorobenzene from benzene. (You will need to produce are nediazonium salt somewhere in the middle of this process.)
A packaging company obtained data on the size (X1) of a lot and the cost (Y ) of assembling the lot. A scatterplot of the data suggested a broken straight line regression with a breakpoint at lot size 250. The following linear model was formulated
Determine the net energy of the electron (the rest mass energy of the electron is around 0.511 MeV) in the accelerator’s frame? Determine the momentum of the electron in the frame of accelerator?
Determine the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at25°C = 7 x10-4 mol/L atm) If a gaseous sample contains 63% N2 by volume.
A 18.0 resistor, a 12.0 µF capacitor and a 17.0 mH inductor are joined in series having a 170 V generator. (i) Determine at what frequency is the current a maximum? (ii) Determine the maximum value of the rms current?
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Reply to this discussion post in 4 sentences For the past 100 years, families have experienced big changes in structure, roles, and social norms.
Question: As an institution, the family has changed quite a bit during the last 100 years. What have been the major changes?
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discuss how individual experiences and characteristics may influence complex social issues. Where are there disparities?
It is interesting to learn about cultural norms around the world, as a ritual that seems normal from our perspective will be completely unconventional somewhere
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