A group of students drove from their university (near sea level) up into the mountains for a skiing weekend. Upon arriving at the slopes, they discovered that the bags of potato chips they had brought for snacks had all burst open. What caused this to happen?
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A group of students drove from their university (near sea level)
up into the mountains for a skiing weekend. Upon arriving at the slopes,
they discovered that the bags of potato chips they had brought for
snacks had all burst open. What caused this to happen?
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- A pressure versus volume (pV) diagram for a system is shown in the figure. The arrows of the curve indicate the direction of the process, and the points of interest are labeled. The values for the points in the diagram are shown in the table. Volume (m³) Pressure (Pa) 2 Vo = 27.8 po = 1.37 × 10ª Vi = 20.8 Pi = 1.37 × 104 V2 = 17.4 P2 = 6.18 × 10³ V3 = 13.9 P3 = 6.18 × 10³ V4 = 13.9 P4 = 2.64 x 103 Vs = 8.87 p5 = 1.00 x 10³ Volume (m) Calculate the amount of work done on the system from 0–2 (Wm) and then for the entire curve from 0-5 (Wos). Pressure (Pa)The volume of an ideal gas is held constant. Determine the ratio P₂/P₁ of the final pressure to the initial pressure when the temperature of the gas rises (a) from 54 to 108 K and (b) from 35.0 to 66.5 °C. (a) P₂/P₁ = Number i (b) P2/P₁ = Number i Units UnitsA moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The moonshine expands more than the glass when it warms up, in such a way that the volume increases by 0.5% (that is, ΔV/V0 = 5 10-3) relative to the space available.
- Why do fishermen sail out to the sea in the night? What process helps them to sail easily to the sea in the night and come back to the shore in the morning? think about processes like conduction, convection and radiation(1) A given mass of gas is enclosed in a suitable container so that it can be maintained at constant volume. Under these conditions, there can be no change in what property of the gas? (a) Pressure. (b) Density. (c) Internal energy. (d) Temperature. (e) None of the above.A certain sandwich cookie contains 55 CC of nutritional energy. For what amount of time must you swim in order to work off three cookies if swimming consumes 510 C/hC/h AND Instead of swimming you decide to run for 40 min at a pace that works off 860 C/hC/h. How many cookies have you worked off?
- There are 1.5 times as many molecules as Avogadro's number at a temperature of 2.1°C inside a sealed cube with dimensions 3.0 cm ✕ 3.0 cm ✕ 3.0 cm. How much force does the gas exert on one of the walls of the cube?Answers (~1.9kJ, ~1.1kJ, ~4kJ) The figure to the right shows a gas contained in a vertical piston-cylinder assembly. A vertical shaft with a cross- sectional area of 1.0 cm² is attached to the top of the piston. The total mass of the piston and shaft is 35 kg. While the gas is slowly heated, the internal energy of the gas increases by 0.25 kJ, the potential energy of the piston-shaft combination increases by 0.5 kJ, and a force of 1300 N is exerted on the shaft as shown in the figure. The piston and cylinder are both good insulators and friction between them is negligible. The local atmospheric pressure is 1 bar and g = 9.81 m/s². Determine: 21 F-1300N (c) the heat transfer to the gas (kJ) (d) Provide a detailed accounting of where all of the heat energy has gone. C 19 4 A-14cm (a) the work done by the shaft (kJ) (b) the work done in displacing the atmosphere (kJ) (atmosphere does not act on shaft aka a donut area) D²10.0The 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 ?
- Consider two containers, one holding 1 kg of argon at 300 K and the other holding1 kg of krypton at 500 K. In each vessel, the average microscopic speed is given bȳv = √8kbT /πm人工知能を使用せず、 すべてを段階的にデジタル形式で解決してください。 ありがとう SOLVE STEP BY STEP IN DIGITAL FORMAT DON'T USE CHATGPT A system consisting of 3kg of air (R=0.287kJ/kgK), carries out the polytropic changes shown in the PV diagram Analyze the data and fill in the empty spaces in the table. Po k 1.4 1 2 3 1 P (kPa) 75 V (m²) 2 Note: In trajectory 1 to 2, we are given k=1.4 as data, therefore this trajectory is adiabatic, that is, T1 ≠ T2 Use the polytropic process equation P1V1^k=P2V2^k to determine the unknown of path 1 T(K) 465