Chemistry, 20.01.2021 18:30 drzewostan5716
In the buffer solution CH3COŞH(aq) =H30'aq) + CH3CO2(aq)
A. CH3CO2H is a base, and H3O+ is its conjugate acid.
B. H3O+ is an acid, and CH3CO2H is its conjugate base.
C. H3O+ is an acid, and CH3CO2- is its conjugate base.
D. CH3CO2H is an acid, and CH3CO2- is its conjugate base.
Answers: 2
Chemistry, 22.06.2019 04:00
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.
Answers: 2
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
In the buffer solution CH3COŞH(aq) =H30'aq) + CH3CO2(aq)
A. CH3CO2H is a base, and H3O+ is its conj...
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