Which molecule will undergo only London dispersion forces when interacting with other molecules of the same kind? a. HCl b. C2H5OH c. NH3 d. CH4

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

What is the lowest number energy level where a d sublevel is found

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?