The thermochemical equation for the reaction of pentane and oxygen is shown below. what does the equation tell you about the reaction endothermic, high activation, exothermic, or low activation

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.