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Compute the number of moles of solute contained in the subsequent volumes of aqueous solutions of the following pesticides
1. 400 mL of 0.024 M Lindane
2. 1.65 L of 0.473 mM Dieldrin
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state, Te^4+, is Te^4+(aq)+4e-=> Te(s) E°red= 0.57V
An ENVIRONMENTAL SCIENCE CLASS
When the following equation is balanced, H2S + Fe(OH)3 ----> Fe2S3 + H2O the coefficient of H2S is
under certain conditions, the combustion of charcoal (C) in the presence of o2 forms carbon monoxide (CO) according to the given balance equation.
Explain how many moles of lithium nitrate are theoretically produced if we start with 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4. Reaction: 3Ca(NO3)2 + 2Li3PO4 --> 6LiNO3 + Ca3(PO4)2
For each of the following experimental or calculations errors, tell of the calculated value of R, writte if would be too high, too low or unchanged.
ethylamine ch3ch2nh2 is an organic base with pkb 3.367 at 298 k. in an experiment a 40.0 ml sample of 0.105 mol
a hydrocarbon is a compound that contains mostly carbon and hydrogen. calculate the percent composition by mass of the
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl is correct
a solution is prepared by dissolving 15.0g of nh3 in 250g of water. the density of resulting solution is 0.974gml.
What is the empirical formula of ascorbic acid, given that the pseudoformula is C3.41 H4.53 O3.41
Butane has a heat of vaporization of 22.44 kj/mol and a normal boiling point of -0.4 C. A 250 ml sealed flask contains 0.6 g of butane at - 22C. How much butane is present as a liquid
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