April 24, 2014

Search: Cemistry

Number of results: 14

how to identify bond angles
Wednesday, January 25, 2012 at 6:55pm by chemistry

what information is provided by the atomic mass?
Wednesday, December 8, 2010 at 5:53pm by bre

what is an equation for ascorbic acid and sodium hydrogen carbonate?
Friday, October 22, 2010 at 3:40am by Mary

Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium?
Sunday, October 21, 2012 at 8:19pm by John

Can an object experience both a physical and chemical change at the same time?
Tuesday, September 14, 2010 at 11:24pm by Jim

what results should we expect when we incubate a variety of lipids of differnet degrees of saturation with iodine?
Sunday, December 11, 2011 at 8:09pm by Sharon

Consider a weak acid HX. If a 0.10 M solution of HX has a pH of 5.87 at 25C, what is ΔG for the acid's dissociation reaction at 25C?
Tuesday, May 1, 2012 at 8:15pm by Sarah

Why do we have to heat KMnO4 solution when we have to do the titration with the oxalate ions for such reaction?
Tuesday, May 18, 2010 at 4:46pm by Tukana

when 2.13 moles of C3H8 burn in excess oxygen, how many moles of CO2 will be formed? Assume this is a complete combustion
Sunday, October 30, 2011 at 8:06pm by christopher

When a 0.952 g sample of an organic compound containing C, H,and O is burned completely in oxygen, 1.35 g of CO2 and0.826 g of H2O are produced. What is the empiricalformula of the compound?
Thursday, September 29, 2011 at 6:02am by Eddy

college cemistry
What is the pH for the solution made from 11.10 mL of 0.278 M HCl solution mixed with 70.90 mL of 0.1300 M ammonia solution ? Note that the pKa for NH4+ is 9.241 8.94 9.24 8.77 9.72 9.54
Thursday, May 27, 2010 at 7:01am by Lucinda

A solution is 36% silver nitrate (AgNO3) by mass. The density of this solution is 1.44 g/mL. The formula weight of AgNO3 is 170 g/mol. Calculate the molality of AgNO3 in this solution.
Wednesday, June 9, 2010 at 10:07pm by Swagato

If you have a chemical reaction in equilibrium and add more of the product...what happens to the product's concentration, if it doesn't increase? Does it stay the same or decrease a little? I know the reactants concentration will increase and if it is an endothermic reaction ...
Friday, February 19, 2010 at 5:56pm by Connie

Hi, I've been trying to solve this chemical equation for the last 30 minutes and am only confusing myself. I am wondering if the product I obtained is correct. The question is to write a balanced equation for the below reaction and be sure to indicate the states and if there ...
Friday, March 16, 2012 at 4:51pm by Julie

Pages: 1