Match the following conductor of heat
lighter non metal
alloys
diamond
wax
options:sodium, hardest, brass, copper, soft

2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

How can one make a supersaturated solution? (apex)