How do I find electrical configuration from this chart? Please help.

An electron moved from a lower energy level to a higher energy level. what most likely happened during the transition? a random amount of light was released. a fixed amount of energy was absorbed. a fixed amount of energy was released. a random amount of light was absorbed.

What is true according to the second law of thermodynamics

What is the volume in liters of 7500 g of helium atoms. assume stp conditions.