Asolution of barium ions and silver ions what could be the anion

50 pts plz what is the physical state of matter of baking soda.

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.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa