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How many electrons are there in the pi antibonding orbitals of the (N2)+, (C2)2+, (Br2)2+ and (O2)+ cations?
If Ecell =1.44 V for a reaction utilizing 2 moles of electrons for each mole of electrons for each mole of desired product, but measurement shows that Ecell=1.56 V and the temperature is 15 celsius, what is Q
Draw a correct and complete arrow pushing mechanism for the reaction of aspirin and sodium bicarbonate to form sodium acetylsalicylate.
Calculate Pt, in atm, for three different gases at partial pressure of 144cm, 800mm, and 1.3m of Hg.
anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
What is the pH change of a 0.200M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.175M with no change in volume?
From there, how would I find the moles of salicylic acid in aspirin sample (mol) and the mass of salicylic acid in aspirin sample (g), which should help me calculate the percent purity of aspirin and the percent yield of aspirin in sample. Thank y..
Two weak acids, HA (pKa=3.0) and HB (pKa=5.0) have equal partition coefficients for extraction from water to n-octanol. an aqueous solution with equal concentrations of HA and HB is extracted with n-octanol
A solution is prepared by mixing 50.0 ml of 0.10 MPb(No3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentrations of PB+2 and Cl- at equilibrium(ksp=1.6 times 10^-5)
Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 10.82 g of ethane is mixed with 62.90 g of oxygen.
Hydrogen gas (H2) and oxygen gas (O2) are the products when an aqueous acidic solution is electrolyzed; each mol of water gives one mol of H2 and half a mol of O2.
A closed end manometer was constructed from a U-shaped glass tube which was 80.0 cm high. It was loaded with mercury so that the closed side was filled all the way to the top
What is the absolute humidity of the cooled air? and What is the minimum mass flow rate of water into the swamp cooler?
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