The element Chemistrium (Ch) has 2 varieties, Ch-105 and Ch-117. Ch-110 has a % abundance of 56%. Find the average atomic mass of Ch.

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

‘which reaction would most likely require the use of an inert electrode?

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water