Calculate the work (kJ) done during a reaction in which the internal volume expands from 18 L to 49 L against a vacuum (an outside pressure of 0 atm).

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal