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Make a judgment as to the effectiveness of commercial liquid bleaches by noting the ingredients on the labels? Explain
A particular reaction has a ?Ho value of -118 kJ and ?So of 47 J/mol K at 298 K. Calculate ?Go at 349 K in kJ, assuming that ?Ho and ?So hardly change with temperature
ninickel can be extracted from nickel sulfide concentrates at 1200 c via the following reaction4nios ni3s2s -gt 7nis
A dry cleaning fluid composed of carbon and chlorine was found to have a composition 14.5% carbon and 85.5% chlorine. Its known molar mass is 166 g/mol. Draw the Lewis structure to represent the compound.
A NaCl solution contains 20.0% NaCl by mass and has a density of 1.15 g/mL. The molarity of the solution is: (hint: assume 1000. g of this solution)
The solubility of the salt, M3X, is 2.70×10-3 g/L. Calculate the solubility product constant, Ksp, for this salt. The molar mass of the salt is 292.9 g/mol.
Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with NaCN.
if 0.00484 mol N2O effuses through an orifice in a certain period of time, how much NO2 would effuse in the same time under the same conditions ?
The molar mass of compound is measured to be 33.4, 35.2, 34.1, 33.9 g/mol in four trials. What is the avg molar mass & calculate standard deviation and %RSD for determination of the molar mass
How many days would be required for a dose of Cu-64 to decay to 1.0% of its original concentration?
Which corresponds to approximately 2.65 * 104 mol of electrons at the voltage of a fuel cell and calculate how much heat energy is absorbed?
you place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature initially.
1. Using average bond enthalpies, predict which of the following reactions will be most exothermic:
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