How much hydrogen is present in a 18 liter container at a pressure of 991 torr at 77.8 ◦C? Answer in units of mol.

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the