The is the energy difference between reactants and products in a chemical reaction. heat of reaction transition energy product energy overall energy activation energy

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?