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August 23, 2014

Search: Cemistry

Number of results: 14

cemistry
how to identify bond angles
January 25, 2012 by chemistry

cemistry
what information is provided by the atomic mass?
December 8, 2010 by bre

cemistry
what is an equation for ascorbic acid and sodium hydrogen carbonate?
October 22, 2010 by Mary

Cemistry
Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium?
October 21, 2012 by John

Cemistry
Can an object experience both a physical and chemical change at the same time?
September 14, 2010 by Jim

cemistry
what results should we expect when we incubate a variety of lipids of differnet degrees of saturation with iodine?
December 11, 2011 by Sharon

CEMISTRY
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?
May 1, 2012 by Sarah

Cemistry
Why do we have to heat KMnO4 solution when we have to do the titration with the oxalate ions for such reaction?
May 18, 2010 by Tukana

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

Cemistry
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?
September 29, 2011 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
May 27, 2010 by Lucinda

Cemistry
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.
June 9, 2010 by Swagato

Cemistry
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 ...
February 19, 2010 by Connie

Cemistry
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 ...
March 16, 2012 by Julie

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