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Bounty	Status	Sub-Category	Question	Due
Here's the questions in Chemistry. Go get 'em! 1-20 of 30 \| Next
$1.00	Answered	General Chemistry	chemisrty the number of protons in one atom of an element determines the atoms?	Sep. 11, 2011
$1.00	Answered	General Chemistry	chemistry Three facts about mixtures	Mar. 10, 2010
$1.00	Answered	General Chemistry	what are three facts about mixtures. what are three facts about mixtures.	Mar. 10, 2010
$1.00	Answered	General Chemistry	chemistry what are three facts about mixtures	Mar. 10, 2010
$1.00	Answered	General Chemistry	About Calcium Hydroxide Physical and Chemical Properties of Calcium Hyroxide	Dec. 18, 2009
$0.25	Answered	Organic Chemistry	chemistry Zn(s) + cU(NO3)2(aq) Zn(NO3)2(aq)+ CU(s) = is this a combination, reaction, single replacement or double replacement	Dec. 03, 2009
$1.00	Unanswered	Physical Chemistry	phesical chemistry The two compounds A and B shown in the attached ChemDraw file can be equilibrated in aqueous acid. Experimentally, the equilibrium constant is found to be 1 at 48 °C. Deduce a steric A value for...	Dec. 03, 2009
$1.00	Answered	General Chemistry	equations how do you balance equations such as Mg + O2?	Nov. 23, 2009
$1.00	Answered	General Chemistry	equations how do you balance equations such as Mg + O2?	Nov. 23, 2009
$0.25	Answered	General Chemistry	formula whats the formula for calcium permanganate?	Nov. 23, 2009
$0.25	Unanswered	General Chemistry	..... whih instrument would you use to dehydrate a substance through incineration?	Nov. 23, 2009
$0.25	Unanswered	General Chemistry	standard international units a graduated cylinder recorded a volume of 64.5mL of water before adding an irregular solid. after the irregular solid was immersed in the water, the water level changed to 75.9mL. The solids mass was...	Nov. 23, 2009
$0.25	Unanswered	General Chemistry	international units if a car travels at 35mi/hr, what is the velocity of the car in Km/hr?	Nov. 23, 2009
$0.25	Answered	General Chemistry	international units the speed of ligh is 2.99*10^8 m/sec, a ligh year is a unit of distance traveld by an object traveling at the speed of ligh for one year. how many miles is equivalent to a ligh year?	Nov. 23, 2009
$1.00	Answered	General Chemistry	questio what is the chemical formula of flourine	Nov. 22, 2009
$1.00	Unanswered	General Chemistry	For Italy71. DQ 1 week one sci for particapation For Italy71. I need help on DQ 1 week one for science for particapation. I need feedback from this instructors question. In her reply, Selena indicates that she compensates for forgetful children...	Nov. 22, 2009
$2.00	Answered	General Chemistry	chemistry Washing soda is a hydrate. It can be written as Na2CO3 xH2O where x is the number of moles of H2O per Na2CO3. When a 2.558g sample of washing soda is heated to 125 degrees celcius, all the...	Nov. 22, 2009
$1.00	Unanswered	General Chemistry	help me someone please help me someone please i need help balancing this equation H2+Ca(CN)2+NaAlF4+FeSO4+MgSiO3+KI+H3PO4PbCrO4+BrCl+CF2CL2+SO2 = PbBr2+CrCl3+MgCO3+KAl(OH)4+Fe(SCN)3+PI3+NaSiO3+CaF2+H2O	Nov. 22, 2009
$4.00	Unanswered	General Chemistry	Foundation chemistry Chem1 Hi an thanks for the orportunity, my question is For As chemistry. A sample of metal silver has the relative atomic mass of 107.9 and exists as two isotopes. In this sample, 54.0% of the silver...	Nov. 21, 2009
$30.00	Unanswered	Physical Chemistry	1. If equal vo 1. If equal volumes of 0.004 M Pb(NO3)2(aq) and 0.004 M KI(aq) are mixed, what reaction, if any, occurs? The value of Ksp for PbI2 is 1.4 Ã— 10Â–8. A) The solution turns...	Nov. 21, 2009