What Is the Rate of Heat Flow Through a Pane

question 74

Multiple Choice

What is the rate of heat flow through a pane of glass that is 40.0 cm by 30.0 cm with a thickness of 4.00 mm when the outside temperature is -10.0°C and the inside temperature is 25.0°C? The thermal conductivity of glass is 0.105 W/(m∙K) and the specific heat of glass is 0.180 cal/(g∙°C) .

• A)24.2 W
• B)3.81 W
• C)18.6 W
• D)47.3 W
• E)110 W

---

Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and mild to moderate intellectual disability.

Sex-linked Disorders

Genetic diseases that are passed through sex chromosomes, typically resulting in disorders more frequently in one sex than the other.

Phenotype

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Karyotype

A complete picture of an individual’s chromosomes, used to look for abnormalities.