A Cube of Aluminum Has an Edge Length of 20

question 9

Multiple Choice

A cube of aluminum has an edge length of 20 cm.Aluminum has a density 2.7 times that of water (1 g/cm³) and a specific heat 0.217 times that of water (1 cal/g°C ) .When the internal energy of the cube increases by 47000 cal its temperature increases by:

• A)5 C°
• B)10 C°
• C)20 C°
• D)100 C°
• E)200 C°

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Definitions:

Left Atrium

One of the four chambers of the heart, receiving oxygenated blood from the lungs and pumping it to the left ventricle.

Capillary Bed

A network of capillaries, small blood vessels, where exchange of oxygen, nutrients, and waste occurs between blood and tissues.

Diffusion

The movement of particles from an area of higher concentration to an area of lower concentration, driven by the kinetic energy of the particles, leading to an eventual equilibrium.

Nutrients

Substances obtained from food that are essential for the maintenance of normal body functions, growth, and energy production.