4- Determine the mass of air in a 2 m tank if the air is at room temperature, 25 °C, and the absolute pressure within the tank is 300 kPa (abs).
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- Which member in each pair of liquids has the higher vapor pressure at a given temperature?(a)C2H6C4H10 (b)CH3CH2OHCH3CH2F (c)PH3NH3Determine the volume change when 1 kg of saturated water is completely vaporized at a pressure of a) 1 kPa b) 100 kPa c) 10000 kPa30.0 mL of pure water at 280. K is mixed with 50.0 mL of pure water at 322 K. What is the final temperature of the mixture? Ignore significant figures for this problem. 1)301 K 2)306 K 3)385 K 4)602 K 5)42 K
- A 0.3 cm thick pane covers a window of 5 103 cm2. The amount of heat that flows through it every hour during the day is ............... when the temperature outside is 0 and inside is 18, noting that the thermal conductivity coefficient of the glass is 0.2J/mdegree3-82. Determine the specific volume of superheated water vapor at 15 MPa and 350°C, using (a) the ideal-gas equation, (b) the generalized compressibility chart, and (c) the steam tables. Also determine the error involved in the first two cases. Answers: (a) 0.01917 m3/kg, 67.0 percent, (b) 0.01246 m3/kg, 8.5 percent, (c) 0.01148 m3/kg 3-83. Reconsider Prob. 3–82. Solve the problem using the generalized compressibility factor feature of the EES software. Again using EES, compare the specific volume of water for the three cases at 15 MPa over the temperature range of 350 to 600°C in 25°C intervals. Plot the percent error involved in the ideal-gas approximation against temperature, and discuss the results.Determine whether the next system is stable or not. If so, in what ranges of k is stable? Thank you.
- 0.1 Give a short answer for only Six of the following 1. Explain the construction of turbine meter and mention for what we use it. 2. Mention the Applications of Pyroelectric sensors. 3. Explain briefly Hall effect sensor's application by measuring the fluid level in a container. 4. Explain how could we use potentiometer to measure linear displacement and angular displacement. 5. According to electrical circuits and electric fundamentals what's the evident difference between Eddy current proximity sensor and Inductive proximity sensor? 6. What's the purpose of putting an inner track with only one hole in optical sensor? 7. What's the reason behind using Wheatstone bridge with strain gauge sensor?Match the following Water stored in dam Choose. Wind Choose. Sound Energy Potential Energy Light Energy Coal Uranium Nuclear Energy Thermal Energy Kinetic EnergyYou want to produce three cylindrical wires with a diameter of 1.00 mm, each with a resistance of 1.00 V at room temperature. One wire is gold, one is copper and one is aluminum. Refer to the resistivity table (a) How long should each wire be? (b) Gold has a density of 1.93 x104 kg / m³. What will be the mass of the gold thread?
- Determine the total pressure (in kPa) at the bottom of a 0.75-m cylinder completely filled by a substance with a specific volume of 0.98 m3 /kg. The cylinder is covered.I need this as fast as 20 minutes max please..Two separate containers are filled with a gas. One contains 0.5 mole of H2 and the other contains .5 mole of Xe . Both gases have a temperature of 93.8 K and have a pressure of 132 kPa. a. Which box contains more molecules? How many times more? b. Which gas has the greater volume? How many times greater? c. Which gas has the greater mass? How many times greater?