Which Ion has stable electronic configuration Ni^2+ oor Fe^3+​

If a reaction has g of -136kj at 110°c, will it be spontaneous at this temperature (110°c)? yes or no

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

How much energy is made when a pice of wood burns. how do you know