1. a cylinder fitted with a piston contains 14 l at a pressure of 7.5 atm. the entire contents of the cylinder
are forced into a tightly folded plastic bag at a pressure of 1 atm. what will be the new volume of the bag
when filled by the escaping gas?

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

The characteristic 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 and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.