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7. 2.5717.69 points | Previous Answers KatzPSE1 20.P.030. A container of helium is at 10°C (a)...
A container of helium is at 17°C. (a) If you increase the temperature to 22°C, by...
A container of helium is at 17°C. (a) If you increase the temperature to 22°C, by what amount does the most probable speed increase? (mp) (Vmpli (b) If you increase the temperature to 114°C, by what amount does the most probable speed increase? c) Compare your results and comment. This answer has not been graded yet
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at...
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at a temperature of 275 K such that its pressure is 2.25 x 105 Pa (a) If the average kinetic energy of a molecule in the gas is to be quintupled, by what factor must the rms speed decrease or increase? Vrms,625 Vrms, Your response differs from the correct answer by more than 10%. Double check your calculations. State whether the rms speed decreases or...
5. 4.55/9.09 points | Previous Answers KatzPSE1 19.P.022 A copper cube with density 8.96 x 103...
5. 4.55/9.09 points | Previous Answers KatzPSE1 19.P.022 A copper cube with density 8.96 x 103 kg/m3 and mass 12.0 kg at 21.0°C is heated to 140°C (a) What is the density of the copper cube at this new temperature? (Give your answer to at least three significant figures.) kg/m3 (b) What is the mass of the copper cube at this new temperature? 12 kg Need Help? Watch It
5. 0/9.09 points | Previous Answers KatzPSE1 19.P.022. A copper cube with density 8.96 x 103...
5. 0/9.09 points | Previous Answers KatzPSE1 19.P.022. A copper cube with density 8.96 x 103 kg/3 and mass 14.0 kg at 23.0°C is heated to 120°C. (a) What is the density of the copper cube at this new temperature? (Give your answer to at least three significant figures.) 8863 X kg/m3 (b) What is the mass of the copper cube at this new temperature? kg Need Help? Read tWatch It
Q1. An isolated container is filled with 2.00 mole of helium gas at temperature 20 °C. a) How much heat must be tra...
Q1. An isolated container is filled with 2.00 mole of helium gas at temperature 20 °C. a) How much heat must be transferred to the gas to increase its temperature to 200 °C if it is heated at constant volume? b) How much heat must be transferred to the gas to increase its temperature to 200 °C if it is heated at constant pressure? c) What is the work done in both process?
Q1. An isolated container is filled with...
4. -9.09 points KatzPSE1 19.P.017 At 21.5°C, the radius of a solid aluminum sphere is 6.00...
4. -9.09 points KatzPSE1 19.P.017 At 21.5°C, the radius of a solid aluminum sphere is 6.00 cm (a) At what temperature will the volume of the sphere have increased by 2.50%? oc (b) what is the increase in the sphere's radius if it is heated to 300°C? Assume α = 22.2 x 10-6 K-1 and β = 66.6 x 10-6 K-1 cm Need Help? Read It Submit Answer Save Progress Practice Another Version
3 mol of helium gas are held in a 1-L container at 20◦C (1000 L =...
3 mol of helium gas are held in a 1-L container at 20◦C (1000 L
= 1 m3).1. Assuming the helium acts like an ideal gas under these
conditions, what is the pressurepof the gas in kPa? (3 pts)2.
Recalculate the pressure of the gas using the Van der Waals
equation. What is theratio of this pressure to that from part 1?
The Van der Waals constants for helium area= 3.46×10−3Jm2/mol2andb=
2.38×10−5m3/mol. (4 pts)
3 mol of helium gas are...
1. + 2.77/5.55 points Previous Answers KatzPSE1 34.P.053. My Notes + Ask Your Teacher Optical tweezers...
1. + 2.77/5.55 points Previous Answers KatzPSE1 34.P.053. My Notes + Ask Your Teacher Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the intensity of light from the tweezers is 1000 W/m2, the same as the intensity of sunlight at the surface of the Earth. (a) What is the pressure on an atom if light from the tweezers is totally absorbed? 3.33e-6 ✓ Pa (b) If this pressure were exerted on a hydrogen...
9. 2.08/6.25 points | Previous Answers KatzPSE1 21.P044 In the figure below, an ideal gas undergoes...
9. 2.08/6.25 points | Previous Answers KatzPSE1 21.P044 In the figure below, an ideal gas undergoes a change in state from A to C by two different paths: ABC and AC. 8.00 Pa 4.00 Pa 0016.00 m3 (a) Along which path is the least amount of work done by the gas? ABC AC (b If the thermal energy of the gas at A IS 11 J and the heat transferred to the gas a on the path AC 210 נ...
A container of helium is at 17°C. (a) If you increase the temperature to 22°C, by what amount does the most probable speed increase? (mp) (Vmpli (b) If you increase the temperature to 114°C, by what amount does the most probable speed increase? c) Compare your results and comment. This answer has not been graded yet
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at a temperature of 275 K such that its pressure is 2.25 x 105 Pa (a) If the average kinetic energy of a molecule in the gas is to be quintupled, by what factor must the rms speed decrease or increase? Vrms,625 Vrms, Your response differs from the correct answer by more than 10%. Double check your calculations. State whether the rms speed decreases or...
5. 4.55/9.09 points | Previous Answers KatzPSE1 19.P.022 A copper cube with density 8.96 x 103 kg/m3 and mass 12.0 kg at 21.0°C is heated to 140°C (a) What is the density of the copper cube at this new temperature? (Give your answer to at least three significant figures.) kg/m3 (b) What is the mass of the copper cube at this new temperature? 12 kg Need Help? Watch It
5. 0/9.09 points | Previous Answers KatzPSE1 19.P.022. A copper cube with density 8.96 x 103 kg/3 and mass 14.0 kg at 23.0°C is heated to 120°C. (a) What is the density of the copper cube at this new temperature? (Give your answer to at least three significant figures.) 8863 X kg/m3 (b) What is the mass of the copper cube at this new temperature? kg Need Help? Read tWatch It
Q1. An isolated container is filled with 2.00 mole of helium gas at temperature 20 °C. a) How much heat must be transferred to the gas to increase its temperature to 200 °C if it is heated at constant volume? b) How much heat must be transferred to the gas to increase its temperature to 200 °C if it is heated at constant pressure? c) What is the work done in both process?
Q1. An isolated container is filled with...
4. -9.09 points KatzPSE1 19.P.017 At 21.5°C, the radius of a solid aluminum sphere is 6.00 cm (a) At what temperature will the volume of the sphere have increased by 2.50%? oc (b) what is the increase in the sphere's radius if it is heated to 300°C? Assume α = 22.2 x 10-6 K-1 and β = 66.6 x 10-6 K-1 cm Need Help? Read It Submit Answer Save Progress Practice Another Version
3 mol of helium gas are held in a 1-L container at 20◦C (1000 L
= 1 m3).1. Assuming the helium acts like an ideal gas under these
conditions, what is the pressurepof the gas in kPa? (3 pts)2.
Recalculate the pressure of the gas using the Van der Waals
equation. What is theratio of this pressure to that from part 1?
The Van der Waals constants for helium area= 3.46×10−3Jm2/mol2andb=
2.38×10−5m3/mol. (4 pts)
3 mol of helium gas are...
1. + 2.77/5.55 points Previous Answers KatzPSE1 34.P.053. My Notes + Ask Your Teacher Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the intensity of light from the tweezers is 1000 W/m2, the same as the intensity of sunlight at the surface of the Earth. (a) What is the pressure on an atom if light from the tweezers is totally absorbed? 3.33e-6 ✓ Pa (b) If this pressure were exerted on a hydrogen...
9. 2.08/6.25 points | Previous Answers KatzPSE1 21.P044 In the figure below, an ideal gas undergoes a change in state from A to C by two different paths: ABC and AC. 8.00 Pa 4.00 Pa 0016.00 m3 (a) Along which path is the least amount of work done by the gas? ABC AC (b If the thermal energy of the gas at A IS 11 J and the heat transferred to the gas a on the path AC 210 נ...
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