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Miss_Deva

  • 3 years ago

Are these right? Which of the following factors does NOT affect the behavior of a gas in a closed container? the number of particles the average kinetic energy* the cohesive forces within the gas the size of the container Which is NOT a possible sign of a physical change? change in appearance change in volume the release of energy* change in color Which of the following types of substances would be least likely to dissolve in water? nonpolar molecule like cholesterol* polar molecule like ethyl alcohol ionic compound, such as magnesium chloride polar mole like the

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  1. Kryten
    • 3 years ago
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    1. the cohesive forces within the gas 2. change in volume 3. nonpolar molecule like cholesterol

  2. Kryten
    • 3 years ago
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    although 2. im unclear...

  3. Miss_Deva
    • 3 years ago
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    I'm pretty sure it's the release of energy because that's for chemical change.

  4. Kryten
    • 3 years ago
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    and freazing of ice? there is energy released!

  5. Miss_Deva
    • 3 years ago
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    Yes, that's what threw me off to but no where in my book does it say that release of energy is physical change.

  6. Kryten
    • 3 years ago
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    earlier somebody also asked that question and i must say that i dont know! but then also my guess isnt right...

  7. Miss_Deva
    • 3 years ago
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    That's alright. I'm just going to go with my answer because for Chemical Change is says that a sign for it is is the release or gain of energy and not for physical change.

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