What the significance of “er” in the diagram a. average molecular b. threshold energy for the reaction c. maximum kinetic energy d. minimum kinetic energy

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

How many moles of al3+ ions are in 1.25 moles of al2o3

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments