The weiland-miescher ketone used for syntheses of steroid hormones (shown below) is produced by robinson annulation of 2-methyl-1,3-cyclohexadione and methyl vinyl ketone. what is the source of the c=c bond in the molecule of the product?

Aaspirin has a density of 1.40 g/cm^3 what is the volume in cubic centimeters of a tablet weighing 320 mg?

Why is retrograde motion an apparent motion

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)