Using Amdahl's Law, calculate the speedup gain for the following applications: 40 percent parallel with (a) eight processing cores and (b) sixteen processing cores 67 percent parallel with (a) two processing cores and (b) four processing core 90 percent parallel with (a) four processing cores and (b) eight processing cores

Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?