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What types of possible changes can be made to the given reactions (multiplication/division) in order to obtain the delta H for the net reaction?
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You can change the stoichiometry of a reaction by multiply the whole reaction by a number. You will have multiply the enthalpy of that reaction with the same number. You can add reactions/enthalpies to get the wanted net reaction.
Gabriel Esmailian 1F
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Multiplying/dividing in addition to flipping the direction of the reaction around when adding or subtracting. Just make sure that when you flip a reaction the delta H value associated with it takes on a negative sign.
Jana Sandhu 3J
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Remember when you multiply all the coefficients by a common number, that common number doesn't necessarily have to be or yield whole numbers. They could result in improper fractions as well.
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