Chemistry, 25.05.2020 08:56
The ionization energy for sodium is 496 kj/mol. the electron affinity for chlorine is -349 kj/mol. use these values and hess s law to calculate the change in enthalpy for the following reaction per mole of reagent: na(g)+cl(g)→na+(g)+cl−(g), δh=? express your answer with the appropriate units.