Question

2 moles of an ideal gas undergoes isothermal compression along three different paths
(i) Reversible compression from Pi = 2 bar and Vi = 8L to Pf = 20 bar

(ii) A single stage compression against a constant external pressure of 20 bar, and

(iii) A two stage compression consisting initially of compression against a constant external pressure of 10 bar until Pgas = Pext’ followed by compression against a constant pressure of 20 bar until Pgas = Pext’.

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Answer 1

Answer:

Sine and cosine — a.k.a., sin(θ) and cos(θ) — are functions revealing the shape of a right triangle. Looking out from a vertex with angle θ, sin(θ) is the ratio of the opposite side to the hypotenuse , while cos(θ) is the ratio of the adjacent side to the