Tuesday
September 30, 2014

Search: Chemitry

Number of results: 16

chemitry
I have a list of chemicals, how do i know if they are alkanes and alcohols
March 9, 2012 by joe

chemitry
what does it mean by how many moles of the limiting reactants in sodium bia
September 16, 2012 by jane

chemistry
where would you find silicon dioxide outside a chemitry lab?
January 10, 2009 by Nabiha

chemistry
where would you find silicon dioxide outside a chemitry lab?
January 10, 2009 by Nabiha

Chemitry
if your smoke detector contains 0.10 mg of 241Am, how long will it take to decay 1.25 * 10^-2mg
September 29, 2013 by Mel

chemitry
show that the equivalence amount of citric acid for 1.00g of sodium bicarbonate is 0.76g
October 11, 2011 by paul

Chemitry
If he activation energy of a reaction is 4.86Kj, then waht is the percent increase in the rate constant of a raction when the temperature is increased from 45 to 75C
December 25, 2010 by Kim

Chemitry
calculate the volume of 1.07M phosphoric acid solution necessary to react with 22.9 ml of 0.150M Mg(OH) 2H3PO4 +3Mg(OH)2 ==> Mg(PO4)2 + 6H20
May 1, 2013 by Juan

Chemitry
molecular formula of lithium carbonate is LiCO.What is the molecular weight of the drug? a. 100.88 b. 73.88 c.48 d. 6.94
September 5, 2013 by deb

CHEMITRY
what is solubility, in mol/L, of MgCO3 in a 0.65 mol/L solution of MgCL2 if the ksp of MgCO3 is 2.5*10^-5
May 7, 2012 by NICOLE

chemitry
A block of aluminum with a volume of 98.5 cm3 absorbs 67.4 J of heat. If its initial temperature was 32.5C, what is its final temperature? (density of aluminum = 2.70g/cm3)
September 21, 2012 by Alyssa

chemitry--- physical & chemical change---
describe a physical change that appears to change chemically???
September 25, 2012 by Maria

Chemitry
the average adult human male has a total blood volume of 5.0 L. if the concentration of sodium ion in this average individual is 0.135 M, what is the mass of sodium ion circulating in the blood
October 19, 2013 by Anbu

Chemitry
3moles of sodium hydroxide will neutralize 1mole of citric acid,what volume of 2moles of sodium hydroxide solution will neutralize 50cm of citric acid solution?
January 2, 2012 by Zuhur

Chemitry
Nitrogen dioxide, NO2, decomposes upon heating to form nitric oxide and oxygen according to the following equation: 2NO2(g)---->2NO(g) + O2(g) At the beginning of an experiment, the concentration of nitrogen dioxide in a reaction vessel was 0.1103 mol/L. After 60.0 sec, teh...
December 2, 2010 by Irina

chemitry who helps me
you are given a solid that is a mixture of na2s04 and k2s04. A0.215g sample of the mixture is dissolved in water. An excess of an aqueous solution of bacl2 is added. The bas04 that is formed is filtered dried and weight. Its mass is 0.299g what mass of s04 ions is the sample ...
January 5, 2014 by Fai

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