Find the associated entropy change

Assignment Help Physics

Reference no: EM13981837

A particular substance has a heat capacity given by C = xT2, with x a constant.

a) If T is in Kelvins and the heat is in calories, what are the units of x?

b) Suppose x = .0023. Find the heat required to raise the substance's temperature from 120 K to 180 K.

c) Find the associated entropy change.

Reference no: EM13981837

Questions Cloud

What are the variables of a regression analysis : What are the variables of a regression analysis, and how do they affect the results of the analysis? What challenge does this pose to getting reliable results?

Approximate con?dence coef?cient : Let X1, ... , Xn be i.i.d. r.v.'s with (?nite) unknown mean m and (?nite) known variance s 2, and suppose that n is large.

Diameters of certain cylindrical items : The diameters of certain cylindrical items produced by a machine are r.v.'s distributed as N(m, 0.01). A sample of size 16 is taken and is found that x¯ = 2.48 inches.

What is the wave speed on the string : A particular steel guitar string has mass per unit length of 1.93 g/m. If the tension on this string is 63.3 N, what is the wave speed on the string?

Find the associated entropy change : A particular substance has a heat capacity given by C = xT2, with x a constant. If T is in Kelvins and the heat is in calories, what are the units of x?

Appropriate testing hypothesis problem : Formulate the appropriate testing hypothesis problem and carry out the test if a = 0.05.

Exact determination of the cut-off point : First, write out the expres- sion for the exact determination of the cut-off point, and secondly, use the CLT for its numerical determination.

How many revolutions does the wheel make in one minute : Passengers riding on a ferris wheel feel three times heavier at the bottom most point of the ride as they do at the top most point. The radius of the wheel is 19.62m, how many revolutions does the wheel make in one minute?

How does the maximum average grade change : What if Brian decides to spend 25 hours, rather than 19, studying? How does the optimal mix change? How does the maximum average grade change?

User Account

All Pages