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Formyl radicals undergo the second-order reaction
2 CHO ---->CH2O + CO
with a rate constant of 3.01E10 M-1·s-1. If a vessel initially contains a concentration of 9.31E-5 M of formyl radicals, what is the predicted concentration after 8 min have elapsed?
How many grams of NaOH must be weighed to prepare 1.50 L of an aqueous solution of 3.75 M NaOH. The mass of NaOH is ___x10^__ g
If the endpoint is surpassed in the back-titration with NaOH, will the reported amount of antacid in the sample be too high or too low?
Why is the first step in an electrophilic aromatic bromination reaction so much more endothermic than the first step in an electrophilic addition to an alkene
An automobile gasoline tank holds 35 kg of gasoline. When the gasoline burns, 88 kg of oxygen is consumed, and carbon dioxide and water are produced.
Calculate the composition of the exhaust gas in terms of mole fraction of CO, CO2, O2, N2, and H2O. Assume CH4 is completely reacted and N2 is unreacted.
What is the pH of a solution prepared by mixing 25mL of .10M CH3CO2H with 25 mL of .010M CH3CO2Na? Assume that the volume of the solutions are additive and that Ka= 1.8 x 10-5 for CH3CO2H.
A generic salt AB2 has a molar mass of 207g/mol and a solubility of 8.80 g/L at 25C. What is the Ksp of the salt
Give the structure of the product formed when adipic acid (HOOC-(CH2)2-COOH) is reacted with a large excess of 1-propanol with a sulfuric acid catalyst
A rigid Vessel containint initially 100kg of water is going to be heated from 25 degree C to 80 degree C using steam as a medium. the steam will be added slowly such that all the steam condenses.
The ion-product constant for water is 1.0x10^-14 at 25 degrees Celsius and 3.8x10^-14 at 40 degrees Celcius. Is the forward process endothermic or exothermic. H2O is equal to H+ + OH-
two moles of gas a spontaneously convert to 3 moles of gas b in a container where the temperature and pressure are held
From the information below, determine the mass of substance C that is formed if 45.0 g of substance A reacts with 23.0g of substance B, assuming that the reaction between A and B goes to completion.
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