| 11. | The converse is also true; the standard enthalpy of reaction will be positive for an endothermic reaction.
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| 12. | The test showed that the more plentiful lithium-7 also does so, albeit by an endothermic reaction.
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| 13. | :Bit of a guess ( maybe a soap expert will arrive soon ) : Saponification is an endothermic reaction.
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| 14. | Formation of petroleum occurs from hydrocarbon pyrolysis in a variety of mainly endothermic reactions at high temperature and / or pressure.
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| 15. | In the latter case, hydrates in the putty produce an endothermic reaction to mitigate heat transfer to the unexposed side.
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| 16. | For endothermic reactions, the type of surface determines the type of energy which is most effective in bringing about reaction.
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| 17. | All nuclear fusion reactions that produce heavier elements cause the star to lose energy and are said to be endothermic reactions.
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| 18. | The ? " H " is a positive change in endothermic reactions, and negative in heat-releasing exothermic processes.
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| 19. | Bromination favors the reactants because it is an endothermic reaction, which means that the reactants are lower in energy than the products.
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| 20. | On the other hand, in an endothermic reaction or system, energy is taken from the surroundings in the course of the reaction.
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