A 19-M² Thermopane Window Is Constructed by Using Two Layers of of Glass

question 58

Multiple Choice

A 1.9-m² Thermopane window is constructed by using two layers of glass 4.0 mm thick,separated by an air space of 5.0 mm.If the temperature difference is 25.0 °C from the inside of the house to the outside air,what is the rate of heat flow through this window? (Thermal conductivity for glass is 0.840 J/s⋅m⋅°C and for air 0.023 4 J/s⋅m⋅°C. )

• A)2 530 W
• B)426 W
• C)3 190 W
• D)210 W
• E)2 100

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Definitions:

Reverse Stock Split

A decrease in the number of a corporation's outstanding shares, which increases the share price proportionally.

Market Value

The cost at which you can currently buy or sell a service or asset in the open market.

Par Value

The nominal or face value of a bond, stock, or coupon as stated by the issuer, which may not necessarily reflect its market value.

Stock Split

A corporate action where a company divides its existing shares into multiple shares to boost the liquidity of the shares, though the overall value of the company remains the same.