Why is PH3 a polar molecule when P and H have the same electronegativity?

Started by AhBeng | Last post by parranoya September 28, 2012, 01:24:05 PM

why is Rate law like that???

Started by 2810713 | Last post by 2810713 February 14, 2006, 03:57:06 AM

Why is the autoignition temperature of Hydrogen so high? 530 C

Started by curiouscat | Last post by Enthalpy August 12, 2015, 02:27:46 PM

Why is the Kinetic Isotope Effect (H/D) larger for OH > NH > CH

Started by questor | Last post by Enthalpy May 07, 2012, 07:12:20 AM

Why is they sky blue?

Started by aqhl | Last post by pantone159 October 19, 2006, 12:25:17 AM

Why is TΔS part of the Gibbs Free Energy formula?

Started by Technicalhuman | Last post by Yggdrasil July 23, 2013, 07:12:55 PM

why paraffin oil soaked in mineral wool in cracking setup?

Started by kenny1999 | Last post by kenny1999 May 13, 2011, 11:39:56 AM

why this enzyme catalyzed reaction is zero order reaction

Started by Lisa_JO | Last post by Babcock_Hall February 29, 2020, 08:49:42 AM

Wierd Entropy

Started by Vicstar | Last post by Yggdrasil February 02, 2008, 12:19:37 PM

Will an electron release energy when it is added into an atom?

Started by SameerTAhir | Last post by SameerTAhir July 10, 2024, 10:32:39 AM

Work and constant volume????

Started by unleash10 | Last post by Yggdrasil October 10, 2007, 10:21:47 PM

Work and Phase Change

Started by smoothsilkmusic | Last post by Yggdrasil November 04, 2007, 11:40:31 AM

work done by the gas?

Started by cofi | Last post by Donaldson Tan April 27, 2006, 07:05:13 PM

Work done by the system and surrounding

Started by lip | Last post by Corribus August 08, 2013, 12:05:59 PM

Work done problem (isothermal).

Started by G O D I V A | Last post by G O D I V A February 17, 2010, 02:14:59 AM