Homework Answers
thermally isolating system no mass or heat energy thorough its surroundings but may exchange work energy with its environment hence internal energy can be change...and its temperature can't change..
hence both the option (a) and (d) are true.....hence option (e)
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28. Consider a gas in a cylinder, where the top is a piston that can move...
of gas ind R that ? Tp yap 1. Consider the following piston-cylinder arrangement which is...
of gas ind R that ? Tp yap 1. Consider the following piston-cylinder arrangement which is thermally insulated. Initially, the same 1 mole of ideal gas are confined in the cylinder A, B and C, respectively which are partitioned by a adiabatic piston and a diathermic piston as shown in Figure 1. The initial volume and absolute temperature (K) of three partitions are the same as V, and to respectively and the pressure of the cylinder is given by P,...
(10 ponts) A piston-cylinder that has a piston initially resting on top of a set of...
(10 ponts) A piston-cylinder that has a piston initially resting on top of a set of stops initially contains 0.35 kg of hellum gas at 100 kPa and 16.8 C. A pressure of 171 kPa is required to lift the piston off the stops. Helium a) At what temperature will the piston begin to move? b) How much heat must be added before the piston starts to rise? c) If the volume of the gas inside the cylinder increases by...
WENN A gas is enclosed in a cylinder fitted with a piston. The volume of the...
WENN A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 2.0L at 10 atmosphere pressure. The piston is moved to increase the volume to 6.0L Which of the following is a reasonable value for the pressure of the gas at the greater volume? OA 15 atm OB. 0.33 am 0.0.0 O 0.00 am OE 3.0 am QUESTION 35 ooooo A hydrogenion H+, is the same as an) neutron O proton electron hydrate...
Consider the piston/cylinder arrangement shown in Fig1. A frictionless piston is free to move between two...
Consider the piston/cylinder arrangement shown in Fig1. A
frictionless piston is free to move between two sets of stops. When
3 the piston rests on the lower stops, the enclosed volume is 0.5
m3. When the piston reaches the upper stops, the volume is 0.8 m .
The cylinder initially contains water at 200 kPa, 60% quality. The
mass of the piston requires 600 kPa pressure to move it against the
outside ambient pressure.
a) When heat is transferred until...
A gas is contained in a vertical piston–cylinder assembly by a piston with a face area...
A gas is contained in a vertical piston–cylinder assembly by a piston with a face area of 40 in.2 and weight of 100 lbf. The atmosphere exerts a pressure of 14.7 lbf/in.2on top of the piston. A paddle wheel transfers 3 Btu of energy to the gas during a process in which the elevation of the piston increases by 1 ft. The change in internal energy of the gas is 2.12 Btu. The piston and cylinder are poor thermal conductors,...
As shown in the figure below, a gas contained within a piston-cylinder assembly, initially at a...
As shown in the figure below, a gas contained within a piston-cylinder assembly, initially at a volume of 0.1 m3, undergoes a constant-pressure expansion at p 2 bar to a final volume of V2 0.2 m3, while being slowly heated through the base. The change in internal energy of the gas is 0.25 kJ. The piston and cylinder walls are fabricated from heat-resistant material, and the piston moves smoothly in the cylinder. The local atmospheric pressure is 1 bar. Piston-...
An ideal gas is enclosed in a cylinder with a movable piston on top of it....
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.130 mol of the gas is raised from 15.0°C to 350°C? (b) What does the sign of your answer to part (a)...
Problem 2. As shown in the figure, a gas contained within a piston-cylinder assembly, initially at...
Problem 2. As shown in the figure, a gas contained within a piston-cylinder assembly, initially at a volume of 0.1 m3, undergoes a constant-pressure expansion at 2 bar to a final volume of 0.12 m3, while being slowly heated through the base. The change in internal energy of the gas is 0.25 kJ. The piston and cylinder walls are fabricated fronm heat-resistant material, and the piston moves smoothly in the cylinder. The local atmospheric pressure is 1 bar. (a) For...
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at...
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 254kcal of heat is added to the gas, the volume is observed to increase slowly from 12.0m3 to 16.2m3 . a. Calculate the work done by the gas. b. Calculate the change in internal energy of the gas.] Express your answer with the appropriate units.
Water is contained in a piston-cylinder device, where the piston can move in order to maintain...
Water is contained in a piston-cylinder device, where the piston can move in order to maintain a constant pressure of 300 kPa. Initially, the temperature of the water is 200 degrees Celcius. Heat is removed from the water until it reaches a quality of 0.1. Find the amount of heat transfer to achieve this, in kJ/kg. Answer value in kj/kg
of gas ind R that ? Tp yap 1. Consider the following piston-cylinder arrangement which is thermally insulated. Initially, the same 1 mole of ideal gas are confined in the cylinder A, B and C, respectively which are partitioned by a adiabatic piston and a diathermic piston as shown in Figure 1. The initial volume and absolute temperature (K) of three partitions are the same as V, and to respectively and the pressure of the cylinder is given by P,...
(10 ponts) A piston-cylinder that has a piston initially resting on top of a set of stops initially contains 0.35 kg of hellum gas at 100 kPa and 16.8 C. A pressure of 171 kPa is required to lift the piston off the stops. Helium a) At what temperature will the piston begin to move? b) How much heat must be added before the piston starts to rise? c) If the volume of the gas inside the cylinder increases by...
WENN A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 2.0L at 10 atmosphere pressure. The piston is moved to increase the volume to 6.0L Which of the following is a reasonable value for the pressure of the gas at the greater volume? OA 15 atm OB. 0.33 am 0.0.0 O 0.00 am OE 3.0 am QUESTION 35 ooooo A hydrogenion H+, is the same as an) neutron O proton electron hydrate...
Consider the piston/cylinder arrangement shown in Fig1. A
frictionless piston is free to move between two sets of stops. When
3 the piston rests on the lower stops, the enclosed volume is 0.5
m3. When the piston reaches the upper stops, the volume is 0.8 m .
The cylinder initially contains water at 200 kPa, 60% quality. The
mass of the piston requires 600 kPa pressure to move it against the
outside ambient pressure.
a) When heat is transferred until...
As shown in the figure below, a gas contained within a piston-cylinder assembly, initially at a volume of 0.1 m3, undergoes a constant-pressure expansion at p 2 bar to a final volume of V2 0.2 m3, while being slowly heated through the base. The change in internal energy of the gas is 0.25 kJ. The piston and cylinder walls are fabricated from heat-resistant material, and the piston moves smoothly in the cylinder. The local atmospheric pressure is 1 bar. Piston-...
An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.130 mol of the gas is raised from 15.0°C to 350°C? (b) What does the sign of your answer to part (a)...
Problem 2. As shown in the figure, a gas contained within a piston-cylinder assembly, initially at a volume of 0.1 m3, undergoes a constant-pressure expansion at 2 bar to a final volume of 0.12 m3, while being slowly heated through the base. The change in internal energy of the gas is 0.25 kJ. The piston and cylinder walls are fabricated fronm heat-resistant material, and the piston moves smoothly in the cylinder. The local atmospheric pressure is 1 bar. (a) For...
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