Think about your daily life and give an example where you might see limiting and excess reagents in a real-world application.

Problem 2.02. An electron is projected with a velocity 105 m s-1 at right angles to a magnetic field of 0.019 Calculate the radius of the circular path described by electron, if e = 1.6 times 10-19 C, m=9.1 times 10-31 kg.