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A coal seam in PA contains rocks of a porosity of 20%. The volume fraction of...
5, (15 points) Primary sludge contains 5% dry solids that are 70%volatile and 30% fixed. Determine The specific gravity of dry solids a) b) The specific gravity of sludge The volume of thickened s...
5, (15 points) Primary sludge contains 5% dry solids that are 70%volatile and 30% fixed. Determine The specific gravity of dry solids a) b) The specific gravity of sludge The volume of thickened sludge, if 1,000 kg of dry solids are thickened to 6% in a gravity thickener. 1.0 Specific gravity of volatile solids Specific gravity of fixed solids -2.5 Total mass of dry solids 100 kg Total mass of sludge 100 kg Density of water 1,000 kg/m3 Assume:
5,...
2. Considerate ofrece uma Soy Pa, a bulk monks of 210 Parda d What is the volume of the rubber hin o of 1100 m3 at...
2. Considerate ofrece uma Soy Pa, a bulk monks of 210 Parda d What is the volume of the rubber hin o of 1100 m3 at normal mospheric 100 ? b) What is the mass c) The cube is taken to the bottom of a 20 m-deep pooled with water Identy 1000 kg/m3 What is the pressure on the rubber cube at this depth of the cube at this depth? What is the change in
(10%) Problem 7: Alarge room contains a volume of air of V.-19m3 at a holding a...
(10%) Problem 7: Alarge room contains a volume of air of V.-19m3 at a holding a volume of water of v-0.79 m2 at a temperature of T-103* temperature of T, S2 F. Italso contains a bathcub e for view ▲ 20% Part (a) If the density of the air at Ta is e.-125 kg/m3, calculate the mass of air in the room in kilograms. artial 20% Part (b) If the density of the water at Tw is ew-1000 kg/m, calculate...
Question 3 A rigid tank, of 0.5 m volume, contains an ideal-gas mixture at 300 K....
Question 3 A rigid tank, of 0.5 m volume, contains an ideal-gas mixture at 300 K. The mixture is made up of 2.4 kg of gas A and 1.4 kg of gas B, the molecular weights of which are MA = 32.0 kg/kmole and M 28.0 kg/kmole, respectively. i. Determine the mass fraction of A and B. (3 marks] ii. Determine the mole fraction of A and B. [5 marks] iii. Determine the molecular weight of the mixture. [2 marks]...
need help with these 3 questions im stuck! A closed tank having a volume of 62...
need help with these 3
questions im stuck!
A closed tank having a volume of 62 L is filled with 0.1 kg of a gas. A pressure gauge attached to the tank reads 270 kPa when the gas temperature is 20°C. Assuming ideal gas behaviour, the gas in the tank is most likely: cross out Select one: O a. Air; O b. Carbon dioxide; c. Oxygen; cross out cross out d. None of the above cross out An open (to...
Exam 2 W19 The first container is hed with Ar, the secoed with Oh and the...
Exam 2 W19 The first container is hed with Ar, the secoed with Oh and the third with CO The pressure and tener fure of the three gnses are the same. Which of the following is true of A the mumber of moles of gas in the containers are the same 24 Three esntainers of equal voluse are hlled with three different gases Oi P, V. T same four all the masses of gas in the three containers is the...
1. What is the purpose of a constant volume gas thermometer. How does it work? 2. What is the difference, if any, betwee...
1. What is the purpose of a constant volume gas thermometer. How does it work? 2. What is the difference, if any, between a isothermal and adiabatic thermodynamic process. Draw them on a pV diagram. 3. Does the First Law of Thermodynamics apply to solids and liquids? Why or why not. 4. What is the most important heat transfer mechanism on earth where there is an atmosphere? Explain how this can cool a nuclear or coal fired power plant, and...
QUESTION 21 Q21 (LO3) (2 Marks] A tank whose volume is unknown is divided into two parts by a parttion. One side of the tank contains 0.05 m3 of refrigerant-134a that is a saturated liqui at 0.9...
QUESTION 21 Q21 (LO3) (2 Marks] A tank whose volume is unknown is divided into two parts by a parttion. One side of the tank contains 0.05 m3 of refrigerant-134a that is a saturated liqui at 0.9 MPa, while the other side is evacuated. The partion is now removed, and the refrigerant i determine the volume of the tank fils the entire tank. If the final state of the refrigerant is 20°C and 280 kPa, R-134a Evacuated P 0.9 MPa...
I need your help solving this thermodynamics problem please: Question Completion Status: QUESTION 1 20 points...
I
need your help solving this thermodynamics problem please:
Question Completion Status: QUESTION 1 20 points Save Ans The heat-pump system shown is designed to provide water-heating and space-cooling. The system includes a heat exchanger to subcool the R134a refrigerant at the outlet of the water heater while heating the refrigerant at the outlet of the evaporator. Given the following data, determine the enthalpy at each station, 1 through 6, using the R134a property tables (click here). Type your answers...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 2000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
5, (15 points) Primary sludge contains 5% dry solids that are 70%volatile and 30% fixed. Determine The specific gravity of dry solids a) b) The specific gravity of sludge The volume of thickened sludge, if 1,000 kg of dry solids are thickened to 6% in a gravity thickener. 1.0 Specific gravity of volatile solids Specific gravity of fixed solids -2.5 Total mass of dry solids 100 kg Total mass of sludge 100 kg Density of water 1,000 kg/m3 Assume:
5,...
2. Considerate ofrece uma Soy Pa, a bulk monks of 210 Parda d What is the volume of the rubber hin o of 1100 m3 at normal mospheric 100 ? b) What is the mass c) The cube is taken to the bottom of a 20 m-deep pooled with water Identy 1000 kg/m3 What is the pressure on the rubber cube at this depth of the cube at this depth? What is the change in
(10%) Problem 7: Alarge room contains a volume of air of V.-19m3 at a holding a volume of water of v-0.79 m2 at a temperature of T-103* temperature of T, S2 F. Italso contains a bathcub e for view ▲ 20% Part (a) If the density of the air at Ta is e.-125 kg/m3, calculate the mass of air in the room in kilograms. artial 20% Part (b) If the density of the water at Tw is ew-1000 kg/m, calculate...
Question 3 A rigid tank, of 0.5 m volume, contains an ideal-gas mixture at 300 K. The mixture is made up of 2.4 kg of gas A and 1.4 kg of gas B, the molecular weights of which are MA = 32.0 kg/kmole and M 28.0 kg/kmole, respectively. i. Determine the mass fraction of A and B. (3 marks] ii. Determine the mole fraction of A and B. [5 marks] iii. Determine the molecular weight of the mixture. [2 marks]...
need help with these 3
questions im stuck!
A closed tank having a volume of 62 L is filled with 0.1 kg of a gas. A pressure gauge attached to the tank reads 270 kPa when the gas temperature is 20°C. Assuming ideal gas behaviour, the gas in the tank is most likely: cross out Select one: O a. Air; O b. Carbon dioxide; c. Oxygen; cross out cross out d. None of the above cross out An open (to...
Exam 2 W19 The first container is hed with Ar, the secoed with Oh and the third with CO The pressure and tener fure of the three gnses are the same. Which of the following is true of A the mumber of moles of gas in the containers are the same 24 Three esntainers of equal voluse are hlled with three different gases Oi P, V. T same four all the masses of gas in the three containers is the...
QUESTION 21 Q21 (LO3) (2 Marks] A tank whose volume is unknown is divided into two parts by a parttion. One side of the tank contains 0.05 m3 of refrigerant-134a that is a saturated liqui at 0.9 MPa, while the other side is evacuated. The partion is now removed, and the refrigerant i determine the volume of the tank fils the entire tank. If the final state of the refrigerant is 20°C and 280 kPa, R-134a Evacuated P 0.9 MPa...
I
need your help solving this thermodynamics problem please:
Question Completion Status: QUESTION 1 20 points Save Ans The heat-pump system shown is designed to provide water-heating and space-cooling. The system includes a heat exchanger to subcool the R134a refrigerant at the outlet of the water heater while heating the refrigerant at the outlet of the evaporator. Given the following data, determine the enthalpy at each station, 1 through 6, using the R134a property tables (click here). Type your answers...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 2000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...
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