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The speed of sound in air is 344 m/s at room temperature. The lowest frequency of a large organ pipe is 30 s^-1 and the highest frequency of a piccolo is 1.5*10^4 s^-1
Give the equations representing the first and second dissociations of oxalic acid. Calculate the value of the first dissociation constant K1, for oxalic acid if the value of the second dissociation constant K2 is 6.40 x 10 ^-5
A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is molar
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
how many grams of sodium chlorida are in 100 ml of water if the vapor pressure of the solution is 630 torr 20 c? given
which is the excess reactant in the given reaction na2s cuso4 na2so4 cusnbsp it is given that you start this reaction
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
a solution is prepared by mixing 62.0 ml of 5.00 m hcl and 30.0 ml of 8.00 m hno3. water is then added until the final
Calculate the solubility in g/L of MgCO3 in the following solutions. (a) pure water (b) 0.0010 M Na2CO3 (Use the quadratic equation.) Calculate the molar solubility of AgBr in a 3.0 M NH3 solution.
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide.
calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6degc to
Calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60 torr at 40 degrees celcius.
A solution of .601g of the solid in 34.1g of the solvent diphenyl gave a freezing point depression of 1.17 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
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