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Millimoles of H+ in oxalic acid given the weight of oxalic acid (H2C2O4.2H2O) to be 0.2354
A solution consisting of .200 mol of methylbenzene (C6H5CH3) in 250 g of nitrobenzene (C6H5NO2)freezes at .40 degrees celsius
How many grams of dry NH4Cl needed to be added to 1.50L of a 2.00M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.60?
Explain (using chemical equations) why NaOCl (bleach) is not terribly effective at killing bacteria in pools or tubs where the water has become acidic over time.
A 28.0g sample of an unknown metal at 99.0c was placed in a constant pressure calorimeter containing 85.0g of water at 24.0c. the final temperature of the system was found to be 28.4c. calculate the specific heat of the metal (the heat capacity of..
The vapor pressure of water at 32 C is 35.7mmHg. What is the vapor pressure of water-ethylene glycol solution at 32 C? Ethylene glycol is non-volatile.
calculate the uncertainty in nm in the position of an electron with the velocity of 2.00x103 ms the velocity is the
Consider a 75.0g sample of H2O(g) at 125C. What phases are present when 215kJ of energy is removed from this sample?
what is the temperature change if 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? it is
calculate the mass of vapour present in a room of volume 250 meter cube that contains air at 23 degree centigrade on a day when the relative humidity is 53 per cent.
Give a detailed mechanism for the nitration of bromobenzene . As part of your answer explain the regiospecificity
Calculate the wavelength at which they are broadcasting.
certain temperature and pressure, one liter of CO2 gas weighs 1.85 g. What is the mass of one liter of CH4 gas at the same temperature and pressure?
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