Chemical reactions are the result of an atom attempting _____. to reduce the number of electrons to become electrically neutral
2 answers:
Explanation:
Reactions in which there occurs change in chemical composition of combining atoms or substances is known as a chemical reaction.
Change in chemical composition of the combining atoms arises because they need to gain stability by completely filling their octet.
For example,
Sodium has 1 valence electron and chlorine has 7 valence electrons. Hence, sodium will donate its 1 valence electron to chlorine atom. As a result, an ionic bond will be formed due to rearrangement in their electronic configuration.
Thus, we can conclude that chemical reactions are the result of an atom attempting to rearrange its configuration to result in a complete outer shell or have a stable octet.
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The complete question is as follows: How many moles of a gas at 100 c does it take to fill a 1.00 l flask to a pressure of 152kPa
Answer: There are 0.0489 moles of a gas at is required to fill a 1.00 l flask to a pressure of 152kPa.
Explanation:
Given: Volume = 1.00 L,
Pressure = 152 kPa (1 kPa = 1000 Pa) = 152000 Pa
Convert Pa into atm as follows.
Temperature =
Using the ideal gas formula as follows.
PV = nRT
where,
P = pressure
V = volume
n = no. of moles
R = gas constant = 0.0821 L atm/mol K
T = temperature
Substitute the values into above formula as follows.
Thus, we can conclude that there are 0.0489 moles of a gas at is required to fill a 1.00 l flask to a pressure of 152kPa.