Calcula la entalpía para la reacción siguiente: Sn (S) + Cl2 (g) > SnCl2 (S) A partir de la información que se proporciona a continuación: Sn (S) + 2Cl2 (g) > SnCl4 (S) ∆H°reacción =-545,2 Kj SnCl2 (S) + Cl2 (g) > SnCl4 (l) ∆H°reacción =-195,4 K

2. how is heavy water different from normal water

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?