Sort these six events from the earliest to the most recent. 1. democritus proposes the existence of atoms 3rd 2. dalton's atomic theory 2nd 3. j. j. thomson discovers the electron 1st 4. rutherford's gold foil experiment 6th 5. bohr model 4th 6. schrödinger's wave mechanics model of the atom 5th

The answer is d. hope i !

is the answers your welcome! : )

2poclâ‚(g) ⇜ 2 pclâ‚(g) + oâ‚‚(g) â†gâ° = (2 mol)î”gfâ°(pclâ‚) – (2 mol)î”gfâ°(poclâ‚) = (2 mol)(–270 –(–502) kj/mol) â†gâ° = + 464 kj = â†hⰠ– tî”sâ° î”sâ° = 179 j/k ⇒ â†hâ° = â†gâ° + (298 k)(179 j/k) = –411 kj assuming that î”hâ° and î”sâ° do not depend on temperature, the temperature at which â†gâ° = 0 is where t = â†hâ°/î”sâ° = (–411 kj)/(0.179 j/k) = 2294 k. at that temp. keq = 1 for the reaction.

The answer would have to be  reduce human impact on the environment