How much energy is needed for the reaction of 1.22 moles of H3BO3 with 5.67 moles of hydrogen? 2 H3BO3 + 6 H2 B2H6 + 6 H2O ΔH = +493 kJ

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?