How many liters of O, are needed to react completely with 93.0 L of H2S at STP? 2H S(9) + 302 (9) -> 2SO2 (9) + 2H2O(9)

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

Is a chemical message sent by another individual.

Rays from the sun are not considered matter true or false