20 ml of 80°c water is mixed with 20 ml of 0°c water in a perfect calorimeter. what is the final temperature?

Is laundry detergent an acid or a base?

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.