Recent content by Nora W

please show your work i really need help with these two and im trrying , but keep getting the wrong answer! please show work. thank you 1. Magnesium metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains 0.500 mol of HCl are combined and react to completion. How many liters...

At 25 oC and constant pressure, carbon monoxide gas combines with oxygen gas to give carbon dioxide gas with the evolution of 10.1 kJ per gram of carbon monoxide consumed. What is the value of ΔH for the reaction as represented by the balanced equation (balanced using the lowest possible...

Consider three 5-L flasks, fixed with pressure gauges and small valves, each contain 4 g of gas at 273 K. Flask A contains H2, flask B contains He, and flask C contains CH4. Compare the flasks contents in terms of the characteristics listed. diffusion rate after the valve is opened a. Flask A...