A tank has all of the air pulled out of it using a powerful vacuum pump. Later that day, a fire breaks out in the room where the tank was left. Is there a danger of the tank exploding due to the heat of the fire? Approach conceptually using equations of gas laws that support your reasoning.
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A tank has all of the air pulled out of it using a powerful vacuum pump. Later that day, a fire breaks out in the room where the tank was left. Is there a danger of the tank exploding due to the heat of the fire? Approach conceptually using equations of
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- A cylinder filled with ideal gas has a piston of mass M=5kg and area A=10 cm?. The cylinder has a valve located at the bottom. The valve was initially opened and some of the gas escapes slowly. The valve is then closed, after which the piston is observed to be at a lower position. Assume that the system is in thermal equilibrium with the surroundings and the piston is allowed to move freely during the whole process. 1. What was the initial absolute pressure of the ideal gas before the valve was opened? Is the final pressure of the gas in the cylinder greater than, less than, or equal to the initial pressure? Explain. Explain how your answer is consistent with the forces acting on the piston in the initial and final states.A gas is enclosed in a container that has a piston with a cross-sectional area of 0.15 m2. The absolute pressure of the gas is maintained at 6,000 Pa when the piston is moved inward by 20 cm. Determine the magnitude of the work done by the gas. A) 180 J B) 450 J C) 90 J D) 200 J5.0 g of nitrogen gas at 20°C and an initial pressure of 2.8 atm undergo a constant-pressure expansion until the volume has tripled. Part A What is the gas volume after the expansion? Express your answer with the appropriate units. ► View Available Hint(s) V= Submit HA Value Previous Answers Units ? X Incorrect; Try Again; 5 attempts remaining
- A student is asked to sketch a pV diagram for a gas that goes through a cycle consisting of (a) an isobaric expansion, (b) a constant-volume reduction intemperature, and (c) an isothermal process that returns the gas to its initial state. The student draws the diagram as shown. What, if anything, is wrong with the student’s diagram?A 22-cm-diameter vertical cylinder is sealed at the top by a frictionless 16 kg piston. The piston is 79 cm above the bottom when the gas temperature is 303° C. The air above the piston is at 1.00 atm pressure. Part A What is the gas pressure inside the cylinder? Express your answer with the appropriate units. ► View Available Hint(s) Po = Submit Part B μÀ Value Units ? What will the height of the piston be if the temperature is lowered to 13°C? Express your answer with the appropriate units.Learning Goal: To understand the ideal gas law and be able to apply it to a wide variety of situations. The absolute temperature T, volume V, and pressure p of a gas sample are related by the ideal gas law, which states that PV = nRT Here n is the number of moles in the gas sample and R is a gas constant that applies to all gases. This empirical law describes gases well only if they are sufficiently dilute and at a sufficiently high temperature that they are not on the verge of condensing. In applying the ideal gas law, p must be the absolute pressure, measured with respect to vacuum and not with respect to atmospheric pressure, and I must be the absolute temperature, measured in kelvins (that is, with respect to absolute zero, defined throughout this tutorial as -273°C). If p is in pascals and V is in cubic meters, use R = 8.3145 J/(mol · K). If p is in atmospheres and V is in liters, use R = 0.08206 L atm/(mol-K) instead. Part A A gas sample enclosed in a rigid metal container at…
- 45 J of work are done on the gas in the process shown in (Figure 1). Figure p (kPa) 300- K 200- 100- 2V₁ 3V₁ 0 0 V < 1 of 1 What is V₁ in cm³? Express your answer in cubic centimeters. ► View Available Hint(s) IVE ΑΣΦ V₁ = Submit Provide Feedback ? cm³4.5 mol of monatomic gas A interacts with 2.9 mol of monatomic gas B. Gas A initially has 9000 J of thermal energy, but in the process of coming to thermal equilibrium it transfers 800 J of heat energy to gas B. How much thermal energy did gas B have initially? Express your answer with the appropriate units. ► View Available Hint(s) EBi = Submit Value 4 Previous Answers Units ?0.50 mol of argon gas is admitted to an evacuated 50 cm³ container at 20°C. The gas then undergoes an isobaric heating to a temperature of 340 °C. Part A What is the final volume of the gas? Express your answer with the appropriate units. V₁ = Submit HÅ Value Request Answer Units
- The 50 kg circular lead piston shown in (Figure 1) floats on 0.11 mol of compressed air. Figure h 1 atm 50 kg 30°C 10 cm < 1 of 1 ▾ Part A What is the piston height h if the temperature is 30°C? Express your answer with the appropriate units. ► View Available Hint(s) h₁ = 0.22 m Submit ✓ Correct Part B Previous Answers How far does the piston move if the temperature is increased by 100°C? Express your answer with the appropriate units. ► View Available Hint(s) h₂ h₁ = 0.06 Submit Provide Feedback μA Previous Answers m www X Incorrect; Try Again; 4 attempts remaining ?a) An ideal gas occupies a volume of 1.6 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. molecules (b) If the pressure of the 1.6 cm3 volume is reduced to 1.2 ✕ 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? mol example of question a An ideal gas occupies a volume of 2.4 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. 6.01e+19 molecules