The volume of 350. mL of gas at 25°C is decreased to 125 mL at constant pressure. What is the final temAt STP the number of liters of O2 required to react with 11.2 liters of CH4 to form only CO2 and H2O is liters. perature of the gas?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.