Please hurry I need to get this done, Please help me I will give you the brain thing and extra points. image below 8

How many moles are contained in 5.6 l of h2 at stp

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products

Compare sympathetic and parasympathetic