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Which of the following reactions have a positive ΔSrxn? Check all that apply
Which of the following reactions have a positive ΔSrxn? Check all that apply.
2A(g)+B(g)----->C(g)
A(g)+B(g)----->3C(g)
2A(g)+3B(g)----->4C(g)
2A(g)+B(s)------->3C(g)
Expert Solution
2A+B = C
delta S is negative as 3 molecules combine to form 1.
A+B = 3C
delta S is positive as 2 molecules are poducing 3 molecules.
2A+3B= 4C
delta S is negative.
2A+B= 3C
the no. of molecules are remaining the same, but solid is turning into gas. so delta S is positive.
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