Which is the correct order of increasing standard molar entropy for the noble gases? he ≤ ne ≤ kr ≤ ar he ≤ ne ≤ ar ≤ kr ne ≤ he ≤ ar ≤ kr kr ≤ ar ≤ ne ≤ he

Evaluate this exponential expression,8. (2 + 3)2 – 42

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?