for a particular isomer of c8h18, the combustion reaction produces 5099.5 kj of heat per mole of c8h18(g) consumed, under standard conditions. c8h18(g)+252o2(g)⟶8co2(g)+9h2o(g)δH ∘rxn=−5099.5 kj/mol what is the standard enthalpy of formation of this isomer of c8h18(g)?

Choose the best option to complete the statement. the purpose of the first phrase of the u.s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

May all the sweet magic of christmas conspire to fill every desire..❤️ merry christmas! ❤️_❤️

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?