The symbol = used in an equation indicates that a particular reaction Click the answer you think is right
reverses direction once all reactants have been converted to products
reaches a certain point and then stops
occurs in both the forward and reverse directions at the same time
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Explanation:

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.

since electrons are negative the answer is neagtaive