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VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Chemistry => Topic started by: JamieLeaf on June 04, 2019, 12:03:08 am

Title: When to use LCP?
Post by: JamieLeaf on June 04, 2019, 12:03:08 am

Hey Guys,

I'm really unsure about when I should be using LCP in my written responses. According to my teacher, he said that it can only be used when the system is initially at equilibrium and a change is introduced but I'm not sure if you can use it to discuss a change in the system and how the system will respond when it tries to oppose this change. Could someone please explain when you can actually use LCP in your responses? Thanks!!

Title: Re: When to use LCP?
Post by: Bri MT on June 04, 2019, 10:17:05 am

In a LCP answer you generally need these things:
- the system is at equilibrium
- a (relevant) change is introduced (specify the change)
- by LCP the system partially opposes the change & the position of equilibrium shifts (specify how)

Note then,  that it doesn't make sense to use LCP if there is no relevant change and/or it's not a question about explaining why a shift in the position of equlibrium has occurred.