15. Use the chemical equation below to determine how many moles of ammonia (NH) will be produced from 4 moles of nitrogen gas (N). Assume that there is enough H, for all of the N, to be converted to NH.
N2 + 3H2 + 2NH
8 moles
2 moles
3 moles
4 moles

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =