Calculating ΔH Using Bond Enthalpies - AP Chem Unit 6, Topic 7

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In this video, Mr. Krug shows students how to use bond enthalpy to calculate the change in enthalpy (ΔH) for a reaction. He works two problems. The first problem is a fairly straightforward ΔH calculation, and in the second, students are asked to use ΔH to calculate an unknown bond enthalpy value.
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haha i love how you throw in tricks to prepare us for the college boards tricks. thanks for the awesome content ur the best

corbinbiology
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Hi Mr. Krug! Is STP and standard conditions the same thing? If so, shouldn't it b 0 degrees celcius instead of 25 degrees?

christianpark
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Why is it exothermic if the bonds of the products have more energy than the reactants

epinnaynay