Un litro de oxígeno contenido en un recipiente ejerce una presión de 60mm Hg y un litro de hidrógeno contenido en otro recipiente ejerce una presión de 30mm Hg, a la misma temperatura anterior. ¿Cuál es la presión total si se mezclan en un recipiente con un volumen total de un litro?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

What is the enthalpy of combustion (per mole) of c4h10 (g)? –2,657.5 kj/mol –5315.0 kj/mol –509.7 kj/mol –254.8 kj/mol

How is the solubility of a carbon dioxide gas in water increase?