Calculate the respective masses of oxygen used up and SO2 produced if 50cm*3 of SO2 were produced at stp when some quantity of powered sulphur were completely burnt in excess oxygen.​

The reaction of methane with water to form carbon dioxide and hydrogen is nonspontaneous at 298 k. at what temperature will this system make the transition from nonspontaneous to spontaneous? the following data are valid at 298 k: ch4(g) + 2h2o(g) co2(g) + 4h2(g) substance: ch4(g) h2o(g) co2(g) h2(g) δh°f (kj/mol): –74.87 –241.8 –393.5 0 δg°f (kj/mol): –50.81 –228.6 –394.4 0 s°(j/k • mol):