Balanced equation = CH4 + 2O2 → CO2 + 2H2O How many grams of H2O form when 0.7 moles of O2 react with CH4?

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point

If the enthalpy value for a reaction is negative, what does that indicate about the reaction?