Ineed ! can you tell me about the difference between physical and chemical i have a dba in a few minutes and i don't ! use easy to understand answers 'cause i'm a little under the weather.

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).