Which best explains why we are more aware of gravitational forces than electrical forces?

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

What is the temperature in degrees celsius of a substance with a tempature of 49k