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Hypochlorous acid, HOCl, has a pKa of 7.54. What is the [H3O+] in 0.163 M HOCl? Use E notation and 3 significant figures
Draw the structure of the organic compound that exists when lidocaine is in the presence of an acidic solution, for example, hydrochloric acid. You may use standard implicit style for atoms and lone-pairs if you like, but make sure that all bonds ..
Calculate the pH of a solution of 15 mL K2HPO4 at 0.1 molarity,
what is the maximum mass of product (oil of wintergreen) that could be formed? The density of methanol is 0.791 g/mL.Give your answer in grams with 3 significant figures.
At this temperature, calculate the number of moles of NO2(g) that must be added to 2.88 mol of SO2(g) in order to form 1.20 mol of SO3(g) at equilibrium.
Compound A is optically active and has the molecular formula C5H10O. On catalytic hydrogenation (addition of hydrogen) of A, Compound B is obtained
When using dichloromethane as a solvent, which would make a good, yet cost effective, drying agent?
degrees celsius was added to an insulated vessel containing 50.0 g ice and 25.0 g water at 0 degrees celsius. What mass of liquid water is present in the vessel at the end?
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surr..
U know that a certain sugar molecule contains higher energy phosphate bond than the gamam phosphate of ATP under the standard condition
0.4 grams sample of primary standard Na2CO3 treated with 45mL of dilute perchloric acid. Solution boiled to remove CO2 and then the excess HClO4 back titrated with 13mL of dilute NaOH
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
What is the pH of a solution prepared by adding 66.0 ml of 0.100 M HCl to 43.0 ml of 0.200 M NaOH
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