Cyclohexane - cyclic hydrocarbon with 6 carbon atoms.
2 methyl groups (-CH3) on carbon atom number 1
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The correct question is: How many moles are in 
atoms of boron.
Answer: There are 145 moles present in atoms of boron.
Explanation:
According to the mole concept, there are 
atoms present in one mole of every substance.
Hence, number of moles present in atoms is calculated as follows.
Thus, we can conclude that there are 145 moles present in atoms of boron.
B. Energy transfer would occur between the copper bars and the surroundings.
Explanation:
In an open system, energy transfer would occur between the copper bars and the surroundings.
There are three types of systems:
- Isolated system in which matter and energy is not exchange with the surrounding.
- Closed system there is no exchange of matter but energy is exchanged with the surrounding.
- Open system: there is exchange of both matter and energy.
If the copper bars were placed in an open system matter and energy will be exchanged with the surrounding.
Learn more:
Isolated system brainly.com/question/7973509
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Energy, kinetic, potential
