For which of the following would ∆S most likely have a value very close to zero?
1. 2 H2O(ℓ) → 2 H2(g) + O2(g)
2. CO2(g) → CO2(s)
3. KOH(s) + NH4Cl(s) → NH3(g) + H2O(ℓ) + KCl(aq)
4. CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(ℓ)
5. CO(g) + NO2(g) → CO2(g) + NO(g)

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

c. is the answer

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