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The density of a gaseous compound of phosphorous is 0.943 g/L at 457 K when its pressure is 737 Torr. What is the molar mass of the compoun? I can t figure out how to show the steps in between to get to the factor of:
6x^3+17x^2+33x+28 Should come out to (3x+4)(2x^2+3x+7)? Write the complex number z=(-1+sqrt(3)i)^11 in polar form: z=r(cosθ+isinθ) where r = 2048
and θ = ?
The angle should satisfy 0≤θ<2π.? Calculate the de Broglie wavelength of a 143-g baseball traveling at 89 mph.? Smaller base of an isosceles trapezoid= 30 cm. larger base = 60 cm. If the height of the trapezoid is 8 cm, what is the length of the legs?