The gas equation for one mole of oxygen relates its pressure, p (in atmospheres), its temperature, t (in k), and its volume, v (in cubic decimeters, dm3): t=16.574⋅1v−0.52754⋅1v2−0.3879p+12. 187vp. (a) find the temperature t and differential dt if the volume is 32 dm3 and the pressure is 1.75 atmosphere.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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