Some Properties of a Certain Glass Are Listed Here: Density $19 ^ { \circ } \mathrm { C }$

question 67

Multiple Choice

Some properties of a certain glass are listed here: Density 2300 kg/m³
Specific heat capacity 840 J/kg ∙ C°
Coefficient of thermal expansion 8.5 × 10^-6 (C°) ^-1
Thermal conductivity 0.80 W/m ∙ C°
A glass window pane is 2.7 m high, 2.4 m wide, and 9.0 mm thick. The temperature at the inner surface of the glass is $19 ^ { \circ } \mathrm { C }$ and at the outer surface 4°C. How much heat is lost each hour through the window?

• A) 3.1 × 10^{7 J}
• B) 3.1 × 10^{4 J}
• C) 8.6 × 10^{3 J}
• D) 8.6 J
• E) 3.1 × 10^{5 J}

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Definitions:

Expressive Aphasia

A neurological disorder characterized by the impaired ability to produce language (spoken or written) despite being able to understand it, typically resulting from brain damage.

Receptive Aphasia

A neurological condition characterized by difficulties in understanding spoken or written language, despite intact sensory function.

Written Language

A system of symbols and signs used to convey complex messages and ideas through the physical medium of writing.

Kintsch And Keenan

Researchers known for their work on text comprehension and the construction-integration model of textual understanding.