A neutral lithium atom has 1 valence electron. A neutral bromine atom has 7 valence electrons. A chemical reaction between the 2
2 answers:
Answer: Option (B) is the correct answer.
Explanation:
Atomic number of lithium is 3 and its electronic distribution is 2, 1.
Atomic number of bromine is 35 and its electronic distribution is 2, 8, 18, 7.
It is known that a neutral atom which accepts electrons acquires a negative charge and a neutral atom that loses electrons will acquire a positive charge.
So, in order to attain stability lithium will lose its 1 valence electron and bromine will accept its 1 electron.
Therefore, lithium will acquire a positive charge and bromine will acquire a negative charge.
Thus, we can conclude that electrical charges would the 2 newly formed ions take on is and
.
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Answer:
a)
b)
d)
d)
Explanation:
From the question we are told that:
Moles of N2
Atmospheric pressure
Temperature
Initial heat
a)
Generally the equation for change in temperature is mathematically given by
Where
b)
Generally the equation for ideal gas is mathematically given by
For v double
Therefore
Total Work-done
c)
Generally the equation for amount of heat added is mathematically given by
d)
Generally the equation for change in internal energy of the gas is mathematically given by