Which option is correct and why for the following problem in the picture? Adding mass to the piston Placing the cylinder on a block of ice while keeping the mass on the piston constant Placing the cylinder on a block of ice and adding mass to the piston Placing the cylinder in a hot water bath while keeping the mass on the piston constant
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Which option is correct and why for the following problem in the picture?
-
Adding mass to the piston
-
Placing the cylinder on a block of ice while keeping the mass on the piston constant
-
Placing the cylinder on a block of ice and adding mass to the piston
-
Placing the cylinder in a hot water bath while keeping the mass on the piston constant
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- 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?Please help me with this question and explain it. Thank you!Homework 4 Problem 2: A hand-driven tire pump has a piston with a 2.8 cm diameter and a maximum stroke of 24 cm. Part (a) How much work do you do in one stroke if the average gauge pressure is 2.4 × 105 N/m2? W = ______ Part (b) What average force do you exert on the piston, neglecting friction and gravitational force? F = ______
- Membrane Servo-controlled Arm А В Patm Piston45 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 ? cm³An ideal gas is kept at constant pressure while increasing its volume from an initial volume of 2 liters to a final volume of 6 liters. The initial temperature of the gas is 300K, what is the final temperature? O 100K O 900K O 1200K O 300K O oo O
- When gas expands in a cylinder with radius r, the pressure P at any given time is a function of the volume V: P = P(V). The force exerted by the gas on the piston (see the figure) is the product of the pressure and the area: F = πr²p. piston head V x The work done by the gas when the volume expands from volume V₁ to volume V2 is as follows. 1 W = dv In a steam engine the pressure and volume of steam satisfy the equation PV1.4 = k, where k is a constant. (This is true for adiabatic expansion, that is, expansion in which there is no heat transfer between the cylinder and its surroundings.) Calculate the work done by the engine during a cycle when the steam starts at a pressure of 180 lb/in² and a volume of 500 in³ and expands to a volume of 700 in³. (Round your answer to two decimal places.) W = X ft-lbOn a particle level, what two factors contribute to an increase in pressure in a constant volume closed vessel when temperature is raised? (Choose 2 answers.) particles hit the walls of the container with more force particles hit the walls of the container less often particles hit the walls of the container more often particles hit each other more often particles hit the walls of the container with less forceAnswers (~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) D²10.0