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a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
Calculate the pressure (in atm) of 16.80 mol of CO2 gas in a 3.00 L vessel at 153 k with the Van der Waals equation (a=3.592 L^2 * atm/mol^2 and b=0.0427 L/mol for CO2)
The hemoglobin of blood, a protein, is known to contain 0.335% iron by mass, Structural evidence indicates that there are four atoms of iron per molecule
What are the three major buffer systems of the body and what are the chemical equations
Write the balanced chemical equation for the combustion of mesitylene. Remember to start with the molecular formula (not the empirical formula).
An unknown metal m reacts with sulfur to form a compound with te formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3
calculate the potential of a platinum electrode immersed in a solution that is prepared by mixing 25 ml of 0.0832 M V2(SO4)3
Calculate the mass of pure water recovered per mass of water in the process feed. A.3) Calculate the weight percent of salt leaving the 5th evaporator. (Note: Thoughtful selection of control volume can save you a lot of algebra.)
The crossed aldol condensation of acetaldehyde with benzaldehyde is aided by the fact that benzaldehyde bears no α-protons. However, a possible competitive reaction is the “selfcondensation†of two molecules of acetaldehyde.
How much heat is released to the surroundings when 1.5 moles of water cools from 150 to 20 at 1 atm? Note that the constant pressure heat capacities, , for water in vapor and liquid form are 36.4 and 75.3 respectively.
a flask contains 30mL of 0.16 M phosphate buffer that has a pH of 7.1. what volume of 0.06M NaOH should be added to increase
The density of lead is 11.3 . The water level in a graduated cylinder initially at 205 rises to 290 after a piece of lead is submerged. What is the mass in grams of the lead?
determine the empirical formula of a compound having the following percent composition by mass k
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