The pure vapour pressure of benzene (C6 H6) is 745 torr; the pure vapour pressure of toluene (C7H8) is 290 torr. What is the mole fraction of benzene in a benzene/toluene mixture whose total vapour pressure is 500 torr? ( Give your answer to 3 dp} pls help me..thank you

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?