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anonymous

  • one year ago

*WILL GIVE MEDALS* Describe, differentiate between, and give examples of open, closed, and isolated systems.

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  1. anonymous
    • one year ago
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    @Vincent-Lyon.Fr @Abhisar @Australopithecus @EWack @rsadhvika

  2. Australopithecus
    • one year ago
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    http://www.geosci.ipfw.edu/PhysSys/Unit_1/threebox.jpg

  3. anonymous
    • one year ago
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    If a system is isolated, then nothing can enter or leave. A bomb calorimeter only allows heat to be exchanged. Such a system is called closed. An example of a closed system is a balloon being heated so the gas inside expands it, or a piston like in the movie : no matter is exchange, only heat. When both matter and energy can be exchanged, the system is called open. I hope this helps :)

  4. anonymous
    • one year ago
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    Yes! that does help alot!! Really good explanation! Thank you!

  5. anonymous
    • one year ago
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    No problem. :)

  6. Abhisar
    • one year ago
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    Isolated System = Niether mass nor energy can escape or enter. Closed system = Mass can't escape or enter but energy exchange can take place. Open System = Both energy and mass can b exchanged between system and environment.

  7. anonymous
    • one year ago
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    @danicap are you really good at chem??

  8. anonymous
    • one year ago
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    Depends on what you're working on. If it's moles and percents then no :P But other than that, yeah :)

  9. anonymous
    • one year ago
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    Do you wanna help me with some response question?? Its the study guide for the final and its like 100 pages long but i need help on the last three sections!

  10. anonymous
    • one year ago
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    Sure, I can do my best :)

  11. anonymous
    • one year ago
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    Thanks!! 1. Describe what happens to energy over the course of a reaction. 2. Distinguish between endothermic and exothermic processes in terms of observed temperature changes and energy flow. 3. Be able to create and interpret potential energy diagrams for endothermic and exothermic processes.

  12. anonymous
    • one year ago
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    is this the question @danicap

  13. anonymous
    • one year ago
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    @SkaterBoyShawn no, I messaged you

  14. anonymous
    • one year ago
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    sorry am i helping @georgia545

  15. anonymous
    • one year ago
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    oh sorry ok

  16. anonymous
    • one year ago
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    so can i message u the answer

  17. anonymous
    • one year ago
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    @SkaterBoyShawn yes,

  18. anonymous
    • one year ago
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    @georgia545 1. This diagram shows that, overall, the reaction is exothermic. The products have a lower energy than the reactants, and so energy is released when the reaction happens.

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  19. anonymous
    • one year ago
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    2. • All chemical reactions involve the transfer of energy. • Endothermic processes require an input of energy to proceed and are signified by a positive change in enthalpy. • Exothermic processes release energy upon completion, and are signified by a negative change in enthalpy Source: Boundless. “Exothermic and Endothermic Processes.” Boundless Chemistry. Boundless, 01 Jun. 2015. Retrieved 04 Jun. 2015 from https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/thermochemistry-6/enthalpy-59/exothermic-and-endothermic-processes-277-3716/

  20. anonymous
    • one year ago
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    this one

  21. anonymous
    • one year ago
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    I hope I helped

  22. anonymous
    • one year ago
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    if a system is open, then anything can enter. if closed then nothing can enter. if its isolated then neither of the above can happen because it cancels them out.

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