A 250. mL sample of oxygen is collected over water at 25 "C and 760.0 torr pressure. What is the pressure of the dry gas alone? (vapor pressure of water at 25 °C = 23.8 torr)

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

What is the polyatamic ion of thiosulfate

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g