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The rate constant for the first-order decomposition of N2O is 3.40 s to the -1. What is the half-life of the decomposition?
a. 0.491 sb. 0.204 sc. 0.236 sd. 0.424 se. 0.294 s
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Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
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20.2 g of an unknown molecular solute is dissolved in 5.65 moles of aniline (C6H5NH2), causing the boiling point of aniline to increase by 3.79 °C. Calculate the molar mass of the solute. For aniline, the molar mass is 9 ...
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