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MgNH4PO4 x 6H2O has a solubility of 0.023g/100 mL in water. Presume a 5.02g sample was washed with 20mL of water. Explain what fraction of the product would be lost
an unknown amount of water is mixed with 370ml of a 6m solution of naoh solution. a 75ml sample of the resulting
A compound A (C6H6) undergoes catalytic hydrogenation over Lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
How many grams of sodium phosphate will be needed to produce 500ml of a solution that has a concentration of Na+ ions of 1.10M ?
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 20 A. Express your answer using two significant figures.
Determine the enthalpy change for the combustion of ammonium nitrate(NH4NO3)with decane (C10H22) in oxygen. Hf for C10H22= -249.7 kJ/mol
the balanced equation for the combustion of ethanol is2c2h5ohg 7o2g reg 4co2g 6h2oghow many grams of dioxygen are
Using standard free energy of formation values given below, calculate the equilibrium constant K_p of the reaction
Determine the total number of atoms in this chemical formula and calculate the molar mass of the solute and how many moles of solute are in the solution?
When ultraviolet radiation of wavelength 58.4nm from a helium lamp is directed on to a sample of krypton, electrons are ejected with a speed of 1.59E6 m/s. Calculate the ionization energy of krypton.
A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2gives 22.7 g of a mixture of CO2 and SO2
Notice that the reaction produces , which can be breathed, and absorbs , a product of respiration. Suppose you work for a company interested in producing a self-rescue breathing apparatus (based on the above reaction) which would allow the user to..
degrees C are warmed to 100 degrees C. what is the new volume if the pressure remains constant?
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