What are the concentrations of the invidual ions
Question: A solution is prepared by diluting 25.00 ml of a .308 M solution of NiCl2 to a final volume of 0.500 L. What are the concentrations of the invidual ions Ni and Cl in this solutions?
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Propionic acid and methyl acetate are isomers. Which has the higher boiling point and why? Which one would have the greater Rf value on TLC? Why
What is the ratio of acetate to acetic acid in a 0.1 M buffer at pH 4.75? What happens when 5 mL 0.1 M HCl is added to 50 mL of this buffer?
Calcium carbonate, or limestone, is relatively insoluble in water. At 25?C, only 5.8 mg will dissolve in 1.0 liter of water. What volume of water is needed to dissolve 5.0 g of calcium carbonate?
Calculate the value of Kp for this dissociation reaction at 25 oC. b)If the volume of the cylinder is increased until the total pressure is 1.0 atm andthe temperature of the system remains constant, calculate the equilibrium pressure of N2O4(g) an
When a sample of H2S(g) (9.811 mol) is placed in 180.0 L reaction vessel at 724.0 K and allowed to come to equilibrium the mixture contains 0.01627 mol/L of S2(g). What is the equilibrium concentration (mol/L) of H2S(g)?
Complete and Balance including physical states and solubility rules. MgCL2 (aq) + K3PO4 (aq)
A certain plant material is known to contain mainly trimyristin and tripalmitin in approximately equal amounts. Tripalmitin, the structure of which you should look up in a reference source,
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C [Ksp (25 ?C) = 6.0 ? 10-10]
Calculate the moles of Cl2 produced at equilibrium when 1.00 mol of PCl5 is heated at 250 degrees Celsius in a vessel having a capacity of 10.0 L. PCl5(g) <-> PCl3(g) + Cl2(g) Kc = 0.041 at 250 degree celsius A) 0.64 mol B) 0.47 mol C) 0.38
Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium
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