If 2.4 g of n2 gas has a volume of 0.40 l and a pressure of 6.6 atm , what is its kelvin temperature?

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions