How many moles of nitrogen are contained in 4.20 x 10^24 atoms of nitrogen? Please explain why

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig