Which of the following reactions is endothermic

Which type of reaction always has an element and a compound as reactants

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

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?