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At constant pressure, which of these systems do work on the surroundings? Check all that apply. 1. 2A(g) + 2B(g) ----> 5C(g) 2. A(g) + 2B(g) --->2C(g) 3. 2A(g) + B(s) ----> 3C(g) 4. 2A(g) + 2B(g) ---->3C(g)

Bethany Evans

in Chemistry

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1 answer

Caroline Campbell on June 10, 2018

I'm pretty sure that the systems that work in the surrounding area are :A. 2A(g) + 2B(g) ----> 5C(g) b(g) + 2B(g) --->2C(g)Since B is a solid, A incrases (2-3), so that is an expansion. The same thing happens with B of 4 to 5 moles of C. I thing is clear, and I hope that you will find it useful.

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