Chemistry, 18.03.2021 01:50, blazecarley

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Chemistry, 22.06.2019 02:20, nakeytrag

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

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Chemistry, 22.06.2019 04:00, mgnbrnne

Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.

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Chemistry, 22.06.2019 16:50, struckedblazing

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

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