Calculate the energy released, in kJ, when 10.3 moles of compound NB4 condenses from a gas to a liquid at 27°C.

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Light waves can move through , but they travel fastest when they move through a(n) .