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...q = n Cp DT q = heat n = number of moles = mass... = molar heat capacity = 20.8 J / (ºC mol) DT = variation... so its got a negative sign in front of it) q = 78.2...

2 Answers · Science & Mathematics · 14/10/2008

...; CH2 coupled to single CH3 to give quartet (

**n**+1) lines. 2.84 4H but**a**singlet so is four bonds away from the C-H of the other...1 Answers · Science & Mathematics · 04/11/2012

**n**= number of shell 2n^2 = number of electrons in**a**shell so shell number 2 has: 2(2)^2 = 6 electrons shell number 3 has: 2(3)^2 = 18 electrons2 Answers · Science & Mathematics · 14/09/2009

...b) Based on the ideal gas law, PV = nRT Where

**n**and R are constant increase T, constant V, will result in**a**decrease in P, which is pressure. similarly, increase T, constant ...2 Answers · Science & Mathematics · 24/09/2007

Can you not use

**n**(delta)cHm = mc(delta)T- sorry, can't do**a**delta symbol.. 0.0015mol (delta)cHm = 250g x 4.19**J**/gC x 3.85 C 0.0015mol (delta)cHm = 4032.875J (delta...2 Answers · Science & Mathematics · 31/01/2011

...273 K)

**n**= 310.5 * 10^-9**J**/ 2269.7**J**/mol**n**= .1368 * 10^-9 mol**n**= 1.368 * 10^-10 mol**n**is..., I wish you'd put yours in just**a**bit earlier. I don't think I...3 Answers · Science & Mathematics · 26/12/2010

1. no. of photons are: E=

**n***h*c/l E-Energy c- speed of light l- wavelength h-Plank...1 Answers · Science & Mathematics · 01/11/2010

**a a a**1 Answers · Science & Mathematics · 14/07/2011

If you want to write

**a**reaction, lets do 4**n**+ 3 p + 3 e --> 7/3 Li Now if you take the mass of all the...2 Answers · Science & Mathematics · 31/12/2008

...rate2 / rate1 = (k2 / k1) * ([

**A**] / [**A**])^**n**and that [**A**] / [**A**] = 1 since we start with the same concentration... - Ea2) ] where .. R = 8.314**J**/molK .. T = 298.15K .. Ea1...1 Answers · Science & Mathematics · 19/02/2018

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