1.0 mole samples of nitrogen gas and argon gas are placed into separate 5.0 L containers. If each container has a pinhole opening which gas will be slower to effuse from its container? (Explain)

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

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

The number at the end of an isotope’s name is the number.