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What is the formula for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen?
Titration curve. Consider the titration curve of 10 mL of 0.1 M HA, Ka=1.0x 10^-4 with 0.1 M NaOH. Calculate the pH after 5, 10, and 15 mL of NaOH are added
What is the difference between water on the surface of the crystals of a Hydrate and Hydrate water itself
A gas in a sealed container has a pressure of 125 kPa at a tempurature of 30.0 degrees celcius. If the pressure in the container is increased to 201 k Pa, what is the new tempurature?
discuss how to prepare the solution in question A starting from 0.100 M formic acid and 0.150 M sodium formate
The amount of EDTA used for the titration was 13.49 mL. Calculate the total hardness (mg/L or ppm of calcium carbonate) for this water sample. Give your answer to one decimal place.
orbitals in the HCl molecule, taking ?= -1.0 eV and the ionization of energy of atomic chlorine as 13.1 eV.
What is the heat change in J associated with 74 g of gaseous butane at 91 oC changing to solid at -170 oC? c(butane) (gas) = 2.31 J/ (g.K) c(butane) (liq) = 1.65 J/(g.K) c(butane) (s) = 1.32 J/ (g.K) ?Hfus(butane) = 6.885 kJ/mol
Assume that methane is an ideal gas, the specific heat capacity of water to be constant and equal to 4.184 J/g/K over this temperature range, and the density of water to be 1.0 g/cm3. The combustion of methane is given byCH4 + 2 O2 ? CO2 + 2 H2O ?..
A hydrocarbon of unknown structure has the formula C10H16. The compound is inert to hydrogenation over the Lindlar catalyst. But on hydrogenation over a palladium catalyst
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
hard, amorphous polymers become soft and flexible at the glass transition temperature B) crystalline regions of a polymer melt transition temperature C
What is the approximate Na+ ion concentration in a 0.75 M Na2CO3 solution? a. 0.375 M b. 0.75 M
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