¿Cuántos litros de oxígeno en condiciones normales se producen a partir de 0,45 mol de O2?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .