Consider an ideal gas enclosed in a 1.00 l container at an internal pressure of 18.0 atm. calculate the work, w , if the gas expands against a constant external pressure of 1.00 atm to a final volume of 18.0 l.

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206