Heat Is Added to a 1

question 17

Multiple Choice

Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
-What is the specific heat capacity of this substance in its solid state?

• A)0.33 cal/(g · C°)
• B)0.75 cal/(g · C°)
• C)1.00 cal/(g · C°)
• D)1.33 cal/(g · C°)
• E)3.00 cal/(g · C°)

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Definitions:

Synovial Joint

Capsule-enclosed joint at which cartilage-covered ends of bones are separated by a fluid-filled space.

Muscle Fiber

The cylindrical, multinucleate cells that make up skeletal muscles, responsible for contracting to produce movement.

Myofibril

Within a muscle fiber, a threadlike array of proteins organized as a series of sarcomeres (contractile units).

Sarcomere

Contractile unit of muscle; an array of actin and myosin filaments arranged in parallel and bounded on either end by an array of cytoskeletal elements (a Z line).