ATAR Notes: Forum

VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Chemistry => Topic started by: LSC on November 10, 2009, 11:32:24 pm

Title: Quick question
Post by: LSC on November 10, 2009, 11:32:24 pm

Can someone answer this question, I cant find it in the book.
Thanks

Mod Edit: Removed unnecessary attachment.

Title: Re: Quick question
Post by: kimtywong on November 10, 2009, 11:34:20 pm

huh?

Title: Re: Quick question
Post by: Mao on November 10, 2009, 11:40:35 pm

desktop.ini? uploaded the wrong file?

Title: Re: Quick question
Post by: LSC on November 11, 2009, 10:35:34 am

Sorry, here it is.

Title: Re: Quick question
Post by: Dark Horse on November 11, 2009, 11:46:33 am

lol, isnt this question 20 from VCAA 07? We know that in a coal fired power station, the following energy conversions occur:
chemical(coal) --> Thermal(coal) --> Thermal (steam) ---> Mechanical (turbine) ---> Electrical (generator)
so therefore, highest will be chemical (coal) as it is first, and lowest will be mechanical (turbine) as it is last. Hence C
 

Title: Re: Quick question
Post by: LSC on November 11, 2009, 04:40:14 pm

But isnt the most amount of hear lost during the thermal to mechanical?