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Solution A and B have osmotic pressures of 2.4atm and 4.6atm respectively at certain temperature. Explain what is the osmotic pressure of a solution organized by mixing equal volumes of A and B at the same temperature?
the color change at the endpoint should persist for 30 seconds. Why is this time lapse a good titration technique
acetylene gas c2h2 is produced as a result of the following reaction. cac2s2h2ol c2h2gcaoh2aq . if 32.0 g of cac2 are
a dancehall contains 173 men and 238 women. a certain promenade calls for the formation of groups with each group
How many grams of TiCl4 are needed for complete reaction with 125L of H2 at 440Celsius and 800 mm Hg pressure. 2TiCl4+H2=2TiCl3+2HCl
A manometer was connected to a bulb containing nitrogen under slight pressure. The gas was allowed to escape through a small pinhole, and the time for the manometer reading to drop from 65.1 cm to 42.1 cm was 18.5 s.
Methyl salicylate (oil of wintergreen) is prepared by heating salicylic acid (C7H6O3) with methanol (CH3OH) C7H6O3 + CH3OH ® C8H8O3 + H2O What is the percent yield if reaction of 8.244 g of salicylic acid with an excess of methanol produced a meas..
predict the standard cell potential for the process and whether or not this cell would function as diagrammed (spontaneously) Fe^0(s) + Sn^2+ (aq) -----> Fe 2+ (aq) + Sn^ 0 (s) occuring in the galvanic cell
2 FeBr3(aq) + 3 Na2CO3(aq) Fe2(CO3)3(s) + 6 NaBr(aq) what is the net ionic eqation for this molecular equation.
Calculate the initial molarity of Ba(OH)2 and the molarities of Ba2+, OH -, and H3O+ in an aqueous solution that contains 0.38 g of Ba(OH)2 in 0.123 L of solution.
A gas occupies 74.12L at 41.2 degrees Celsius and 764 mm Hg. What will be the temperature if the gas is compressed to a volume of 44.27L and a pressure of 1002 MM Hg
The mass of a cube of iron is 292 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
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