5H2 + 5Cl2 - 500 kj - - - > 10 HCl This equation is Exothermic or Endothermic, and the kj next to the chlorine what does it indicates as i know that the molar enthalpy is written next to the equation not in it ​

Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.