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Chlorine gas reacts violently with sodium metal. Write the balanced reaction to answer the question. How many grams of sodium are required to completely react with 2.85 L of chlorine at 4.25 atm and 36oC?
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3.
A buffer solution contains 0.10 mol of acetic acid and 0.13 mol of sodium acetate in 1.00 L. (a) What is the pH of this buffer? (b) what is the pH of the buffer after the addition of 0.02 mol of KOH? (c) What is the pH of the buffer after the addi..
Calculate the total concentration of dissolved cadmium (i.e. sum of the concentrations of free Cd 2+ and Cd-chloride complexes) in a 0.1M NaCl solution that is in equilibrium with otavite at atmospheric PCO2 and a pH of 8.5. To what extent does ch..
What is the pressure exerted by some nitrogen gas collected in a tube filled with water on a day when the room temperature is 18.0ºC
What is the equilibrium concentration of Cl at 1000 ? What is the equilibrium concentration of COCl2 at 1000 ?
prepare a PH = 4.00 buffer staring from 1.50 L of 0.0200 M solution of benzoic acid (c6h5cooh) and an excess of sodium benzoate
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84.
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
The compound has a molecular mass of 70. D) The compound contains a cyano or alkyne group. E) The compound contains a CO group
the dehydration of beta-hydroxy ketone occur so readily to produce the alkene compared with all the unsuccessful effort to dehydrate an alcohol under basic conditions?
200 drops of 0.025 M NaF solution and 100 drops of 0.025 M Ba(NO3)2 solution are mixed. a.) write the equation for the formation of solid BaF2.
Calculate the equilibrium value of Pb+2(aq) in 1.00 L of saturated PbCl2 solution to which 0.250 moles of NaCl(s) has been added. Assume that no volume change occurs.
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