What is the mass of 8.00 × 10 22 molecules of nh 3?

During which time interval does the object travel approximately 10 meters

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy