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What is the hydronium ion concentration and the pH of a solution formed when 30mL of 0.30M HNO3 is titrated with 43mL of 0.20M NaOH at 25C?
A ruby laser produces radiation of wavelength 633 nm in pulses with a duration of 1.00*10^-9s. If the laser produces 0.475 J of energy per pulse, how many photons are produced in each pulse?
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
Organic compounds solubility, The question is: Assuming that sugar is soluble in water and not most organic solvents, LIST the steps in ORDER that you would take for separating a 1:1 mixture of solid sugar and solid sodium benzoate
what is the easiest way to identify the structure of a molecule from a H-NMR spectra?
electrons and the quantity of electrons it has is the maximum. Calculate its mass number and a number that matches with the 34 neutrons it has.
What volume 0.100 M NaOH will react completely with 25.00 mL of 0.100 M HCl?
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm.
If units were explicitly specified for Kp of the reaction above, they would be [atm]n. What would be the value of n for this reaction?
A gaseous hydrocarbon fuel is burned in 26.84% excess oxygen and the exhaust gas analyzed. On a dry basis, the ratio of carbon dioxide to carbon monoxide to oxygen in the exhaust gas
How many grams of Al are required to completely react with 50.0 g of O2?
In the first 12.0 of the reaction, 1.8×10-2 of is produced in a reaction vessel with a volume of 0.260 . What is the average rate of the reaction over this time interval.
Equivalence point was 18.46 mL and my second equivalence point was 33.185 mL. How to find the percent weight of Na2CO3 in the unknown using these two values?
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