Based on these data, what is the value of the formation constant, kf, of [cu(nh3)4]2+? [cu 2+ ]=6.47x10 -15 kf=

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

dynamic equilibrium is the answer.

we need the questions , i may then you.

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.