Heat content of a system is equal to the enthalpy only for a system that is

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Is powdered sports drink ionic or covalent ? 10pts !