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- A temperature of 162F is equivalent to what temperature in kelvins? (a) 373 K (b) 288 K (c) 345 K (d) 201 K (e) 308 KWhen a certain gas under a pressure of 5.00 106 Pa at 25.0C is allowed to expand to 3.00 times its original volume, its final pressure is 1.07 106 Pa. What is its final temperature? (a) 450 K (b) 233 K (c) 212 K (d) 191 k (e) 115 KIf you add 700 kJ of heat to 600 g of water at 60.0°C, how much water will be left in the container? The latent heat of vaporization of water is 2.26 x 106 J/kg and its specific heat is 4190 J/(kg-K). 240 g 265 g 529 g O 335 g
- How much heat would flow into an 80 cm x 40 cm x 3.0 mm glass window each hour on a day when the outside temperature is 103 F and inside temperature is 70 F? Kglass = 0.84 W/m-K. O 1.64x10³ J/s O 2.96x10² J/s O 1.64x10² J/s O 2.96x10³ J/sQ1: A 1.5mx0.8m double glass window consists of two glass(k=0.78 W/mC) layers with a 4 mm thickness for each layer, seperated by a 10 mm thick of still air gap. If the thermal cnductivity of still air is 0.026 W/mC, what is the rate of heat transfer through the window, if the temperatures of the inner and outer surfaces of the window are 15 and -8°C respectively. يتكون شباك ارتفاعه 0.8m وعرضه 1.5m من طبقتين من الز جـاج 0.78 k=( (°CW/m سمك كل واحدة منهما Am m ومفصولتين بطبقة هوائية سمكها 10mm . إذا كان معامل الانتقال بالتوصيل ل لهواء الساكن W/m °C 0.026 أحسب معدل انتقال الحرارة خلال الشباك إذا كانت درجة حرارة السطح الداخلي ل لشباك C° 15 ودرجة حرارة السطح الخارجي C° 8-. T2 T3 هواء Glass Air Glass Ax, A X, A X3A glass vessel is filled with exactly 1 liter of turpentine at 20°C. What volume of the liquid will overflow if the temperature is raised to 86°C. βturpentine= 97 × 10^-5/°C αglass= 9 × 10^-6/°C A. 62.24cm^3 B. 6.224ml C. 622.4ml D. 0.6224cm^3
- the density of lead is 11.0 g/cc at 4°C. What is the density of lead in pounds per cubic feet at this temperature?A window glass that is 0.5 cm thick has dimensions of 3 m by 1.5 m. The thermal conductivity of this glass is 0.8 W/m ∙ K. If the outside surface of the glass is at -10°C and the inside surface is at 20°C, how much thermal energy is transferred through the window in every hour by heating?You are using a thin layer of epoxy to bond a Silicon chip to a pure aluminum plate that acts as a heat sink (epoxy layer 0.0200mm). The Silicon chip (k = 149.0 W/(m-K) is 0.200 mm thick, and has dimensions of 25.0mm by 25.0mm. The pure aluminum plate is 0.850cm thick, and has the same dimensions as the Silicon chip. The hot side of the silicon chip is measured to be 62.0°C; the cold side of the pure aluminum plate is measured to be 31.0°C. Assuming steady-state conduction (with the thin layer of epoxy acting as contact resistance, see Table 3.2.) determine the heat transfer rate through the chip. Do not add in an addition resistance due to the thickness of the epoxy layer, this has been incorporated into the contact resistance.
- 10 40C1). At room temperature (20.0°C), the frames have circular lens A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 holes 2.23 cm in radius. To what temperature must the frames be heated if lenses 2.24 cm in radius are to be inserted into them? °COne group of students recorded the following measurements: minner cup 45.36 g %3D mcup set 198.23 g %3D mcup_set+water = 430.17 g %3D mcup_set+water+ice = 471.51 g TH = 58.9 °C TF = 37.4 °C %3D What is the latent heat of fusion of ice according to their measurements in cal/g? Enter the number with proper significant figure. Your Answer: Answer units0.0012 C 3. A 100 gram piece of ice at 0 oC is added to 400 grams of water at 30 oC. Assuming the system is perfectly insulated, what will be its final temperature when the ice has all been melted?
