Chapter 18 Multiple choice questions

Quiz Content

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. G is a function of temperature T, pressure p, and number of moles n. Write an expression for the partial differential of G with respect to p.

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. Write down the partial differential (fx)y, zof the following function:
f(x, y, z) = 4x5 - 3x4y + 2x2y2z + 6xy2 - 7yz3.

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. Write down the partial differential (fy)x, zof the following function:
f(x, y, z) = 4x5 - 3x4y + 2x2y2z + 6xy2 - 7yz3.

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. Write down the partial differential (fz)x, yof the following function:
f(x, y, z) = 4x5 - 3x4y + 2x2y2z + 6xy2 - 7yz3.

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. Select the incorrect partial derivative relationship from the list below.

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. Given that (yz)x = 3z2 - xy and (zx)y = 2y,
calculate (yx)z.

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. The function J is dependent on a, b, and c.
Write down the total differential.

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. Write down the partial differential (2fyz) of the following function:
f(x, y, z) = -5x3y2 - 6x2yz + 8xy3z2 - 2yz5.

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. Write down the partial differential (2fxy) of the following function:
f(x, y, z) = -5x3y2 - 6x2yz + 8xy3z2 - 2yz5.

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. Given that f(x, y, z) = 3x2 + 5xy2z + 4y3z3.
Calculate2f.

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