Answer:
Option B
Covalent Bonding
Explanation:
Covalent bonds in C2H5OH are formed between the carbon and hydrogen atoms, where there are shared electron pairs.
This is a weak form of attraction that holds the C2H5OH molecule together, and can easily be broken by a polar solvent such as water.
In order for water to be able to dissolve the C2H5OH molecule, it must break the covalent bonding present in the molecule
a)Atomic number is the number of protons in the nucleus of an atom.
b)atomic number represents the number of protons
Energy transferred into the system is wonderful due to the fact the system ends up with greater strength while energy transferred out from the machine is negative, because the device finally ends up with much less energy.
In defining work, we awareness at the outcomes that the system (e.g. an engine) has on its surroundings. for this reason we outline work as being fine when the gadget does work at the environment (strength leaves the machine). If work is completed at the gadget (energy added to the machine), the work is bad.
The classical sign convention states that warmth switch into a device and work produced with the aid of it are tremendous, while heat transfer faraway from a device and work produced on it is negative.
Q is wonderful if warmness is added into the device from the surroundings. The take a look at tube would feel cooler if the response had been being finished in one. If the surroundings is tormented by the machine, work is poor. This indicates that energy is escaping the system.
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Alr u see. argon is in group 8 of the periodic table, also known as noble gases. noble gases all have full shells, octect. this means that there is no chance for covalent or ionic bonding, no valence electrons available to bonding.
however, chlorine is in group 7 of the periodic table. this means to obtain a full octect shell, they will have to undergo covalent bonding to form a full octect shell.
hence, argon is more stable compared to chlorine
