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How does a vaccum flask minimize heat change with surrounding
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No conduction or convection through vacuum, only radiation (use shiny material to reflect)
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Why does the design of the vacuum flask minimize heat transfer by conduction?
A)One flask is smaller than the other flask. B)One
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1. C 2. B 3. D 4. C 5. A 6. A 7. D 8. D 9. A 10. B 11. C 12. C 13. C 14. B 15. B
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why does the design of the vacuum flask minimize heat transfer by conduction
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The answers are: 1) D 2) B 3) D 4) C 5) A 6) A 7) D 8) D 9) A 10) B 11) C 12) C 13) C 14) B 15) B
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Explain how vacuum flasks construction minimize heat exchange with the surrounding?
Top answer:
there is no conductive or convective heat transfer...only radiative
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Calculate the change in the internal energy of the system for a process in which the system absorbs 140J of heat from the
Top answer:
The change in internal energy of the system is given by the equation: ΔU = Q - W Where: ΔU =
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Consider three 1.0 L flasks at 25° C and 96.66 kPa containing the gases CH4 (flask A), CO2 (flask B), and C2H6 (flask C). In
Top answer:
Use PV=nRT where n=.039 and see which one balances.
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Consider three 1.0 L flasks at 25° C and 96.66 kPa containing the gases CH4 (flask A), CO2 (flask B), and C2H6 (flask C). In
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To determine which flask contains 0.039 moles of gas, we need to calculate the number of moles of
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Which of the following statement is true?
* 1 point in an endothermic process, heat is transferred from the surrounding to the
Top answer:
in an endothermic process, heat is transferred from the surrounding to the system
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10g of ice at 273K is added to 20 g of water at 90oC in an insulated flask. The heat of fusion of ice is 6 Kj/mol and the
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what about ∆s of the system?
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Below is a picture with 4 different flasks. Which picture shows a flask containing a homogeneous mixture. (1 point) Responses
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Flask C contains a homogeneous mixture.
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Below is a picture with 4 different flasks. Which picture shows a flask containing a homogeneous mixture.
(1 point) Responses
Top answer:
Flask A, as it shows a clear solution without any visible particles or layers. This indicates that
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