need help for this question. thank you
![2. 250g of water expands by 4% of its volume as it is heated from room temperature to just below boiling point. The top of the beaker is open to the atmosphere. a. Is the expansion of the liquid water: constant pressure, constant volume, constant temperature or adiabatic? Support your choice with a one sentence justification. 2 marks b. How much work is done on the water as it expands? [4 marks] c. Does the expansion of the water make a significant correction to the calculation of 84 kJ required to heat it to boiling point? Briefly explain [1 mark]](http://img.homeworklib.com/questions/d876f320-20f9-11eb-be1a-1d795467a240.png?x-oss-process=image/resize,w_560)
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need help for this question. thank you
250g of water expands by 4% of its volume...
4. a) Water has critical pressure and specific volume of 22.064 MPa and 0.003155 m/kg, respective...
4. a) Water has critical pressure and specific volume of 22.064 MPa and 0.003155 m/kg, respectively. Its critical temperature is 647 K. Assuming that you do not know the temperature, try to find this temperature using methods you learned in the class. Which one is most accurate with how much error? b) When you boil water in a kettle to enjoy hot coffee, the boiling is a constant pressure heating process, specifically at one atmosphere. Plot the thermodynamic property changes...
Part B: Boing Water temperature 7sec e 15co F levten/ Volume HCi used to reach the...
Part B: Boing Water temperature 7sec e 15co F levten/ Volume HCi used to reach the equivalence point Iml)2C Moles of HCl used Moles of OH in sample Moles of Ca2+ in sample Temperature [°C Ksp 1.5" Average Ksp B. Solubility of Ca(OH)2 in Boiling Water Using a graduated cylinder, transfer about 100 ml of water into a 250 ml beaker. Place the beaker on a hot plate and secure with a ring attached to the support stand. Bring water...
The lesson is about First Law of Thermodynamic. The problems have answers but i need solutions....
The lesson is about First Law of Thermodynamic. The problems
have answers but i need solutions. PLEASE HELP ME! THANK
YOU!
38. Calculate the maximum work that could be obtained if 2.00 mol of an ideal gas, initially at STP, is allowed to expand to 100 L isothermally. Answer-36.0 L-atm 39. If 5.00 mol of an ideal gas is heated at constant pressure from 300 K to 500 K, how much work is done by the expansion of the gas?...
i dont understand why the molecular weight i calculated (42.012 g/mol) for my unknown liquid (acetone)...
i dont understand why the molecular weight i calculated
(42.012 g/mol) for my unknown liquid (acetone) is less than the
actual molecular weight (58.08 g/mol). what errors could i have
made in my lab that would account for the difference.
Molecular Weight of a Volatile Liquid In this experiment, an amount of liquid more than sufficient to fill the flask when vaporized is placed in a flask of measured volume and mass. The flask is then heated in a boiling...
CAN YALL PLEASE HELP ME I HAVE 4 HOURS TO DO THESE!! THANK YOU!! Question 1...
CAN YALL PLEASE HELP ME I HAVE 4 HOURS TO DO THESE!! THANK YOU!! Question 1 A mass of 4 kilograms of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 0.3 MPa, T1 = 211°C: Process 1–2: Constant-temperature expansion until the volume is twice the initial volume. Process 2–3: Constant-volume heating until the pressure is again 0.3 MPa. Assuming ideal gas behavior, determine the temperature at state 3, in kelvin. _________________________________________________...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
I need help with question 22? 16 the lab and turn two identical heating U heat...
I need help with question 22?
16 the lab and turn two identical heating U heat 100 of pure water and 100 of me 5 are at room temperature, Aer couple of minutes of we temperature of methanol is higher than that of water. What is observation? a Liquid water has a higher boiling point than liquid methano b. Liquid methanol has a higher boiling point than liquid C. Liquid waterS our cheal capacithan d. Liquid methanol has a higher...
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...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am am...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am ambient air, which is at a higher temperature and humidity, What do you think would be observed on the surface of the pipe? Describe briefly the reason for this 5 marks) b) A sling psychrometer shows a dry bulb and wet bulb temperature readings of 25°C and 20°C, respectively. The atmospheric pressure is 101 325 kPa. Using...
answer questions #1-7 and I'll send more information on question #7. We were unable to transcribe...
answer questions #1-7 and I'll send more information
on question #7.
We were unable to transcribe this imagesolution of a Mixture by Distillation 4 BACKGROUND s one of the most common methods of purifyinga ery simple method: a liquid is brought to a boil, the liquid becomes a gas the gas a liquid. It is a collected returns to the liquid state and the liquid acquire sufficient e from the liquid phase and enter into the s vapor phase Evaporation...
4. a) Water has critical pressure and specific volume of 22.064 MPa and 0.003155 m/kg, respectively. Its critical temperature is 647 K. Assuming that you do not know the temperature, try to find this temperature using methods you learned in the class. Which one is most accurate with how much error? b) When you boil water in a kettle to enjoy hot coffee, the boiling is a constant pressure heating process, specifically at one atmosphere. Plot the thermodynamic property changes...
Part B: Boing Water temperature 7sec e 15co F levten/ Volume HCi used to reach the equivalence point Iml)2C Moles of HCl used Moles of OH in sample Moles of Ca2+ in sample Temperature [°C Ksp 1.5" Average Ksp B. Solubility of Ca(OH)2 in Boiling Water Using a graduated cylinder, transfer about 100 ml of water into a 250 ml beaker. Place the beaker on a hot plate and secure with a ring attached to the support stand. Bring water...
The lesson is about First Law of Thermodynamic. The problems
have answers but i need solutions. PLEASE HELP ME! THANK
YOU!
38. Calculate the maximum work that could be obtained if 2.00 mol of an ideal gas, initially at STP, is allowed to expand to 100 L isothermally. Answer-36.0 L-atm 39. If 5.00 mol of an ideal gas is heated at constant pressure from 300 K to 500 K, how much work is done by the expansion of the gas?...
i dont understand why the molecular weight i calculated
(42.012 g/mol) for my unknown liquid (acetone) is less than the
actual molecular weight (58.08 g/mol). what errors could i have
made in my lab that would account for the difference.
Molecular Weight of a Volatile Liquid In this experiment, an amount of liquid more than sufficient to fill the flask when vaporized is placed in a flask of measured volume and mass. The flask is then heated in a boiling...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
I need help with question 22?
16 the lab and turn two identical heating U heat 100 of pure water and 100 of me 5 are at room temperature, Aer couple of minutes of we temperature of methanol is higher than that of water. What is observation? a Liquid water has a higher boiling point than liquid methano b. Liquid methanol has a higher boiling point than liquid C. Liquid waterS our cheal capacithan d. Liquid methanol has a higher...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am ambient air, which is at a higher temperature and humidity, What do you think would be observed on the surface of the pipe? Describe briefly the reason for this 5 marks) b) A sling psychrometer shows a dry bulb and wet bulb temperature readings of 25°C and 20°C, respectively. The atmospheric pressure is 101 325 kPa. Using...
answer questions #1-7 and I'll send more information
on question #7.
We were unable to transcribe this imagesolution of a Mixture by Distillation 4 BACKGROUND s one of the most common methods of purifyinga ery simple method: a liquid is brought to a boil, the liquid becomes a gas the gas a liquid. It is a collected returns to the liquid state and the liquid acquire sufficient e from the liquid phase and enter into the s vapor phase Evaporation...
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