2. The aqueous solubility of toluene (C7H8) at 25C is 515 mg/L. A water sample contained within an EPA sampling vial is in equilibrium with the vial's headspace at a temperature of 25C The vapor phase within the headspace is analyzed using a GC and shown to contain 6.7 mg/L of toluene. Determine the aqueous phase concentration of the toluene in units of mg/L

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.