Chemistry FORMULA List.

Lordsion · 13 Feb 2008, 5:10 PM

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Can we all contribute all the Chemistry formulas that you know of so we can aid others (and myself) in knowing what formulas are important.

e.g. volume of gas, calculating moles, pressure, avogardo's number and how to use it, mass formula, etc ... ??

I would do this myself but since i dont know them of my head or what they are really called i can't list them. My chemistry teacher is sooo b-a-d. He dosent communicate - just sheets. So it is hard for me to know anything. Sigh.

markzada · 13 Feb 2008, 5:52 PM

Don't you have the formula sheet yet ?

Go on to the Board of Studies website and its under Syllabus for HSC Chemistry.

Lordsion · 14 Feb 2008, 10:36 AM

Quote:

Originally Posted by markzada

Don't you have the formula sheet yet ?

Go on to the Board of Studies website and its under Syllabus for HSC Chemistry.

http://www.boardofstudies.nsw.edu.au....html#ceramics

I can only find the data sheet - i have that.

davidbarnes · 14 Feb 2008, 4:57 PM

E=mc^2

dan.121212 · 14 Feb 2008, 8:50 PM

n = m/M = v/V = c.V

where :

n= number of moles (mol.)
m= mass (g)
M= molar mass (g.mol^(-1))
v= volume (L)
V= molar Volume (L.mol^(-1))
c= concentration (mol.L^(-1))

(to ppl not familiar with this notation x^(-1) = (1/x), thus 'grams per mole' can be written as g/mol or, more correctly, g.mol^(-1))

tommykins · 14 Feb 2008, 8:52 PM

i figured there was only 2..

c = n/v

n = m/M

davidbarnes · 15 Feb 2008, 12:02 AM

Quote:

Originally Posted by tommykins

i figured there was only 2..

c = n/v

n = m/M

I agree.

Lodgic · 15 Feb 2008, 1:41 AM

Other formulae include:

q = mCD T
Heat change = mass of water x specific heat capacity x change in temperature

D H = q / n (ethanol burnt)
Heat produced by ethanol (D H) = Heat produced (q) / Number of moles of ethanol burnt

d3st1nyLiang · 1 Jul 2009, 9:49 PM

ideal gas law: pV = nRT

any others?

Uncle · 2 Jul 2009, 5:23 PM

Quote:

Originally Posted by d3st1nyLiang

ideal gas law: pV = nRT

any others?

wow the Idea Gas Law formula is in the HSC why don't you mention the Nernst Equation which won a Nobel prize in Chemistry?

13 Feb 2008, 5:10 PM	#1 (permalink)
Lordsion Member HSC: 2008 Gender: Female Join Date: Jul 2007 Posts: 102 Last Activity: 3 Oct 2009, 5:59 PM	Chemistry FORMULA List. You can hide this advertisement by registering. Can we all contribute all the Chemistry formulas that you know of so we can aid others (and myself) in knowing what formulas are important. e.g. volume of gas, calculating moles, pressure, avogardo's number and how to use it, mass formula, etc ... ?? I would do this myself but since i dont know them of my head or what they are really called i can't list them. My chemistry teacher is sooo b-a-d. He dosent communicate - just sheets. So it is hard for me to know anything. Sigh.

13 Feb 2008, 5:52 PM	#2 (permalink)
markzada Senior Member HSC: 2007 Gender: Male Location: Camperdown Join Date: May 2006 Posts: 362 Last Activity: 2 Nov 2009, 6:51 PM	Re: Chemistry FORMULA List. Don't you have the formula sheet yet ? Go on to the Board of Studies website and its under Syllabus for HSC Chemistry. __________________ ----------------------------------------------------------- B Medical Science @ USYD STHS Class of '07 UAI: 99.50 Currently tutoring Maths, Maths Ext 1, Chemistry and Physics. For more info: http://community.boredofstudies.org/...y-physics.html

14 Feb 2008, 4:57 PM	#4 (permalink)
davidbarnes Executive Member HSC: 2009 Gender: Male Location: NSW Join Date: Oct 2006 Posts: 563 Last Activity: 17 Jun 2009, 7:21 AM	Re: Chemistry FORMULA List. E=mc^2 __________________

14 Feb 2008, 8:50 PM	#5 (permalink)
dan.121212 Assistant Member HSC: 2008 Gender: Undisclosed Join Date: Nov 2006 Posts: 49 Last Activity: 3 May 2008, 8:17 AM	Re: Chemistry FORMULA List. n = m/M = v/V = c.V where : n= number of moles (mol.) m= mass (g) M= molar mass (g.mol^(-1)) v= volume (L) V= molar Volume (L.mol^(-1)) c= concentration (mol.L^(-1)) (to ppl not familiar with this notation x^(-1) = (1/x), thus 'grams per mole' can be written as g/mol or, more correctly, g.mol^(-1))

14 Feb 2008, 8:52 PM	#6 (permalink)
tommykins i am number -e^i*pi HSC: 2008 Gender: Male Join Date: Feb 2007 Posts: 4,673 Last Activity: Today, 3:04 PM	Re: Chemistry FORMULA List. i figured there was only 2.. c = n/v n = m/M __________________ \|3 C1\/1\|_ 3/\/G1/\/33\|21/\/G @ \|_\|/\/5\/\/ I

15 Feb 2008, 1:41 AM	#8 (permalink)
Lodgic Senior Member HSC: 2007 Gender: Male Join Date: Aug 2007 Posts: 249 Last Activity: 9 Aug 2009, 2:16 AM	Re: Chemistry FORMULA List. Other formulae include: q = mCD T Heat change = mass of water x specific heat capacity x change in temperature D H = q / n (ethanol burnt) Heat produced by ethanol (D H) = Heat produced (q) / Number of moles of ethanol burnt __________________

1 Jul 2009, 9:49 PM	#9 (permalink)
d3st1nyLiang Member HSC: 2011 Gender: Male Join Date: Jan 2009 Posts: 174 Last Activity: Today, 1:54 AM	Re: Chemistry FORMULA List. ideal gas law: pV = nRT any others?

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