Write the word and balanced chemical equations for the reaction between: Potassium hydroxide + hydrochloric acid

Evaluate this exponential expression,8. (2 + 3)2 – 42

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.

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond