Una muestra de helio gaseoso tiene un volumen de 325.0 mL a una presión de 655 mmHg. Mientras la temperatura se mantiene constante, ¿Cuál será la
presión, si el helio se comprime hasta un volumen de 125.0 mL?

Which mathematical relationship should you us to convert moles of a substance into grams

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?