A chemistry student is studying gas laws. In the gas laws, the pressure is 2.50 atm, the number of particles is 4.92 moles and the temperature is 269 K. What is the number of particles that the chemist is studying?

What does x represent in the formula for the compound xcl4?

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

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