Consider a double-paned window consisting of two panes of glass, each with a thickness of 0.600...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Consider a double-paned window consisting of two panes of glass, each with a thickness of 0.600 cm and an area of 0.730 m, separated by a layer of air with a thickness of 1.65 cm. The temperature on one side of the window is 0.00C; the temperature on the other side is 20.0C. In addition, note that the thermal conductivity of glass is roughly 36 times greater than that of air. Review Approximate the heat transfer through this window by ignoring the glass. That is, calculate the heat flow per second through 1.65 cm of air with a temperature difference of 20.0 C. (The exact result for the complete window is 20.3 J/s.) View Available Hint(s) Q/t = 20.7 J/s Submit Correct Correct answer is shown. Your answer 20.5 J/s was either rounded differently or used a different number of significant figures than required for this part. Picture the Problem: A double-paned window, as shown in the figure, consists of two panes of glass separated by a thin space of air. Previous Answers Strategy: Because the thermal conductivity of air is much smaller than the thermal conduct ty of glass, most of the temperature difference between the inside and outside will occur across the air. Assuming the full temperature difference is across the air, AT calculate the heat flow through the window using the equation Q = kAt. Solution: Apply the equation:=kA4 (0.0234 W/(m K)| (0.730 m) (3x10 m 20.0 C Part B AT = Use the approximate heat flow found in part A to find an approximate temperature difference across each pane of glass. (The exact result is 0.199 C.) View Available Hint(s) = 20.7 J/s ? Consider a double-paned window consisting of two panes of glass, each with a thickness of 0.600 cm and an area of 0.730 m, separated by a layer of air with a thickness of 1.65 cm. The temperature on one side of the window is 0.00C; the temperature on the other side is 20.0C. In addition, note that the thermal conductivity of glass is roughly 36 times greater than that of air. Review Approximate the heat transfer through this window by ignoring the glass. That is, calculate the heat flow per second through 1.65 cm of air with a temperature difference of 20.0 C. (The exact result for the complete window is 20.3 J/s.) View Available Hint(s) Q/t = 20.7 J/s Submit Correct Correct answer is shown. Your answer 20.5 J/s was either rounded differently or used a different number of significant figures than required for this part. Picture the Problem: A double-paned window, as shown in the figure, consists of two panes of glass separated by a thin space of air. Previous Answers Strategy: Because the thermal conductivity of air is much smaller than the thermal conduct ty of glass, most of the temperature difference between the inside and outside will occur across the air. Assuming the full temperature difference is across the air, AT calculate the heat flow through the window using the equation Q = kAt. Solution: Apply the equation:=kA4 (0.0234 W/(m K)| (0.730 m) (3x10 m 20.0 C Part B AT = Use the approximate heat flow found in part A to find an approximate temperature difference across each pane of glass. (The exact result is 0.199 C.) View Available Hint(s) = 20.7 J/s ?
Expert Answer:
Related Book For
Posted Date:
Students also viewed these physics questions
-
Consider a double-paned window consisting of two panes of glass, each with a thickness of 0.500 cm and an area of 0.725 m2, separated by a layer of air with a thickness of 1.75 cm. The temperature on...
-
Each of the following passages may be plausibly criticized by some who conclude that it contains a fallacy, but each may be defended by some who deny that the argument is fallacious. Discuss the...
-
Margin of error = 0.01; confidence level = 95%; likely range = 0.2 to 0.4 We have specified a margin of error, a confidence level, and a likely range for the observed value of the sample proportion....
-
A Van de Graaff generator has a 0 . 1 1 mC charge on its conducting spherical terminal. At this distance, what is the magnitude of the force that the field exerts on a 1 . 9 5 \ mu C point charge on...
-
Edward's air pump (a) removes only air from the condenser (b) removes air and vapour from the condenser (c) removes only uncondensed vapour from condenser (d) removes air along with vapour and...
-
The comparative balance sheets of Nike, Inc. are presented here. Instructions(a) Prepare a horizontal analysis of the balance sheet data for Nike using 2006 as a base.(Show the amount of increase or...
-
The growth rate for the firm's common stock is 7%. The firm's preferred stock is paying an annual dividend of $5. What is the preferred stock price if the required rate of return is 8%?
-
Consolidation related simulation example: Millennium Capital Management, Inc., (MCM) acquired a 90% interest in NextGen, Inc. MCM's Financial Manager, Matthew Steven, has prepared a draft memo to the...
-
Classify the three reactions as ionic or radical. Reaction A +-+-+ Reaction B Reaction C 2 HI light 2 8. continued below...
-
A winery has a large amount of a wine labeled "Lot I" that is a mixture of \(92 \%\) Merlot wine and \(8 \%\) Cabernet Sauvignon wine. It also has a second wine labeled "Lot II" that is a mixture of...
-
A taste test is conducted on the Atlantic City Boardwalk. People are given samples of Coke, Pepsi, and Safeway brands of cola in unmarked cups, and are then asked to rank them in order of preference....
-
Describe and discuss the pairwise comparison method.
-
A taste test is conducted on the Atlantic City Boardwalk. People are given samples of Coke, Pepsi, and Safeway brands of cola in unmarked cups, and are then asked to rank them in order of preference....
-
What is the monotonicity criterion?
-
A computer producer sold a certain brand desktop computer to a wholesaler at a unit price of $400. This wholesaler took the cost-plus pricing strategy by setting a 10% markup rate and then sold it to...
-
Consider the advantages and disadvantages of extending property rights so that everyone would have the right to prevent people imposing any costs on them whatsoever (or charging them to do so).
-
A point charge Q = +87.1 (C is held fixed at the origin. A second point charge, with mass m = 0.0576 kg and charge q = -2.87 (C, is placed at the location (0.323 m, 0). (a) Find the electric...
-
An ideal gas doubles its volume in one of three different ways: (i) at constant pressure; (ii) at constant temperature; (iii) adiabatically. Explain your answers to each of the following questions:...
-
In Problem 59, suppose the observer walks toward one speaker with a speed of 1.35 m/s. (a) What frequency does the observer hear from each speaker?. (b) What beat frequency does the observer hear?...
-
(a) Complete a steady-state simulation of the vinyl-chloride process in Figure 2.6. First, create a simulation flowsheet. Assume that: Cooling water is heated from 30 to \(50^{\circ} \mathrm{C}\)...
-
For the monochlorobenzene separation process in Figure 7.14, the results of an ASPEN PLUS simulation are provided in the multimedia modules under ASPEN \( ightarrow\) Principles of Flowsheet...
-
Complete a simulation of the entire process for the hydrodealkylation of toluene in Figure 6.14. Initially, let the purge/recycle ratio be 0.25 ; then, vary this ratio and determine its effect on the...
Study smarter with the SolutionInn App