Melting of gold to a new earring is which change.

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.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?