Based on the following chemical equation: 4HCN 5O2 2N2 4CO2 2H2O. Identify the limiting reactant and the mass of N2 produced when 100. g of HCN react with 100. g of O2. g

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

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.