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Calculate the wavelength in picometer of gamma ray radiation whose frequency is 9.74 × 1019 Hz. Express answer in scientific notation.
What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation?
The decomposition of ozone in the upper atmosphere is facilitated by {\rm NO}. The overall reaction and the rate law are O3(g) + O(g) = 2 O2(g) Rate = k [ O3}][ NO]
approximately what percentage of the acetic acid molecules are protonated and neutral in charge at pH 5.7?
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08. What is the identity of the salt?
The answer to Kinetics, The symmetry factor Beta was determined to be 0.4 for an activation controlled Ag deposition process. At overpotential n = -0.400 V the current density was found to be j = -5.125 A/dm^2.
find the molar mass of the unknown. 16.6 degrees C freezing point acetic acid and 3.90 degrees C*kg/mol?
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
how many moles of calcium ions are in 1L of a 2.0M solution of CaCl2
A solution is prepared by dissolving 2.33g of C60 in 100.0g of toluene. Given that the vapor pressure of pure toluene is 5.00kPa at 30C what is the vapor pressure of toluene in the solution.
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