CHEM 241 Midterm: CHEM 241 UPenn test3 02key

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turquoisegnu128

31 Jan 2019

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S s t s r t t t st t t s s t r s r tr t r t r t r s r s t r t s t s s rs st rr t. 1: t (x1 + x2, y1 + y2) = hx1 + x2 y1 y2, 2x1 + 2x2, x1 + x2 + y1 + y2i = t (x1, y1) + T (x2, y2) : t (cx, cy) = hcx cy, 2cx, cx + cyi = ct (x, y) . S s t r tr s r t s t s t r a = i2 t . T (a) = i2 s t (2a) = 4i2 s t q t 2t (a) . 2(x + 1) = t (p1) + t (p2) . R r t (2x + x2 + x3) = h2, 2, 6i t t s t . S s t {t (v1), .

Related Questions

Evaluate the change in z (i.e., ?z) in going from the point (0,0)to the point (1,1) for the differentials:
(1) dz = (x^2 + y^2) dx + xy dy and (2) dz = xy dx + xy dy
(a) Go from (0,0) to (0,1) keeping x constant and equal to 0; thento (1,1) keeping y constant and equal to 1
(b) Go along the path y=x
(c) Go along the path y = x2.

To construct a Txy and a xy phase equilibrium diagram, we need to specify P and one of the following properties: T, x, or y. The remaining properties are determined from equilibrium calculation. The equilibrium ratios for for n-hexane (1) and n-octane (2) are given: K1=exp(-1778901.0/T^2+6.96783-0.84634*log(P)) and K2=exp(-7646.816/T+12.48457-0.73152*log(P)). In these equations, T is in R, P is in psia, and log is natural log. At P = 14.6 psia and x = 0.68, determine y and T. At P = 14.6 psia and y = 0.05, determine x and T.

1. A)Complete the table below

Y x 1/x y/x x*y
2 2
1 4
0.5 8
0.25 16

B)On the graph paper provided plot y vs,x(appropriately labelingall axes as well as graphing the best fitting line/curve to thedata points )

C)Is the relationship between the y and x data pair linear ornon-linear?

D)which expression of k(k=y/x or k=xy) corresponds to therelationship that you describe in parts c and d? (i.e. theexpression where k is a constant)

2. A)plot y vs, 1/x for the data in question 1.

B)is the relationship linear or non-linear?

C)is the relationship direct or inverse?

3. A)Complete the table below

Y X Y/X X*y
2 4
4 16
8 32

B)On the graph paper provided plot y vs.x(appropriately labelingall axes as well as graphing the best fitting line/curve to thedata points).

C)Is the relationship between the y and x data pairs linear ornon-linear?

D)Is the relationship between the y and x data pairs direct orinverse?

E) Which expprexion of k(k=y/x or k=xy)corresponds to therelationship that you describe in parts c and d?(i.e. theexpression where k is constant)

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CHEM 241 Midterm: CHEM 241 UPenn test3 02key

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