Question 5 Explain why HCI is hydrochloric acid, while HCIO3 is chloric acid.
Explain why HCI is hydrochloric acid, while HCIO3 is caloric acid
A) Chloric acid contains no hydrogen.
B) Chloric acid contains oxygen, and so is an oxyacid. Hydrogen in an oxyacid is not part of the n
C) HCI is more commonly used, and so it is given the name hydrochloric acid over the less comm
O D) Chloric acid does not dissolve in water

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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