The total vapour pressure above an ideal solution of toluene and benzene is 39.7 mmHg. The vapour pressures of toluene and benzene above this mixture are 14.7mmHg and 25mmHg respectively. What is the mole fraction of toluene in the vapour phase? Show working

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.