anonymous
  • anonymous
*WILL GIVE MEDALS* Describe, differentiate between, and give examples of open, closed, and isolated systems.
Chemistry
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@Vincent-Lyon.Fr @Abhisar @Australopithecus @EWack @rsadhvika
Australopithecus
  • Australopithecus
http://www.geosci.ipfw.edu/PhysSys/Unit_1/threebox.jpg
anonymous
  • anonymous
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 :)

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anonymous
  • anonymous
Yes! that does help alot!! Really good explanation! Thank you!
anonymous
  • anonymous
No problem. :)
Abhisar
  • Abhisar
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.
anonymous
  • anonymous
@danicap are you really good at chem??
anonymous
  • anonymous
Depends on what you're working on. If it's moles and percents then no :P But other than that, yeah :)
anonymous
  • anonymous
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!
anonymous
  • anonymous
Sure, I can do my best :)
anonymous
  • anonymous
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.
anonymous
  • anonymous
is this the question @danicap
anonymous
  • anonymous
@SkaterBoyShawn no, I messaged you
anonymous
  • anonymous
sorry am i helping @georgia545
anonymous
  • anonymous
oh sorry ok
anonymous
  • anonymous
so can i message u the answer
anonymous
  • anonymous
@SkaterBoyShawn yes,
anonymous
  • anonymous
@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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anonymous
  • anonymous
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/
anonymous
  • anonymous
this one
anonymous
  • anonymous
anonymous
  • anonymous
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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