{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Practice_4 - Practice 4(chapter 19-chapter 22 1 . a b c d e...

This preview shows pages 1–2. Sign up to view the full content.

Practice 4 (chapter 19-chapter 22) 1. A child has a temperature of 104 ° F. What is the temperature in degrees kelvin? a. 40 b. 406 c. 401 d. 313 e. 349 2. A bridge is made with segments of concrete 50 m long. If the linear expansion coefficient  is 12  ×  10 –6  ( ° C) –1 , how much spacing (in cm) is needed to allow for expansion during an  extreme temperature change of 150 ° F? a. 10 b. 2.5 c. 7.5 d. 5.0 e. 9.5 3. An auditorium has a volume of 6  ×  10 3  m 3 . How many molecules of air are needed to fill  the auditorium at STP? a.  1.6  ×  10 29 b.  1.6  ×  10 27 c.  1.6  ×  10 25 d.  1.6  ×  10 23 e.  1.6  ×  10 20 4. A 5-kg piece of lead (specific heat 0.03 cal/g    ° C) having a temperature of 80 ° C is  added to 500 g of water having a temperature of 20 ° C. What is the final equilibrium  temperature (in

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern