How many grams of oxygen are needed to react with excess methane in the following reaction, in order to produce 325 kJ of energy? CH4 + 2 O2 → CO2 + H2O H = -890.4 kJ

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.