Solve the problem.The Redlich-Kwong equation provides an approximate model for the behavior of real gases. The equation is  where P is pressure, V is volume, T is Kelvin temperature, and a,b , and R are constants. Find the derivative of the function with respect to each variable.

A. PV =  + ; PT = -  + 
B. PV =  - ; PT =  + 
C. PV =  + ; PT =  - 
D. PV =  - ; PT =  + 

Answer: B

Mathematics

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Solve the problem.The kinetic energy K of an object with mass m and velocity v is  How is dm/dt related to dv/dt if K is constant?

A.  = - 
B.  = - 2mv3
C.  = 
D.  = - 

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Graph the function.y = csc  

A.

B.

C.

D.

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Indicate the period and the range of the given function.y = -  csc x

A. P = 2?; Range:  ? 
B. P = ?; Range:  ? 
C. P = ?; Range: y ? - 
D. P = 2?; Range: y ? - 

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Solve the linear equation.4x - 7x + 9x = 24 - 8x + 2x

A.
B. 3
C. -2
D. 2

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Mathematics