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A: Here we are required to find the oxidizing agent and reducing agent of the given equation.
Q: Identify the oxidizing and reducing agent of the given equation: Answers should be the symbol of the…
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Q: Identify the oxidizing and reducing agent of the given equation: Answers should be the symbol of the…
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Why should the bulb of the thermometer be placed below the side arm of the distilling flask?
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- Why must the freezing point of a solvent be measured in an experiment rather than using the literature value?Which properties would be ideal in selecting the compound to be used as a primary standard for quantitative volumetric analysis?With respect to the lower condenser used in an apparatus for simple or fractional distillation. Why should the lower rather than the upper nipple be used for the water inlet?
- Why is it dangerous to carry out a distillation in a sealed system with no vent to the atmosphere?Why use plastic reagent bottle for the storage of the standard NaOH solution instead of typical glass reagent bottle?1. While performing the Dumas experiment, if the outside of the flask were not completely dry (Part I), how would this affect the calculated molar mass of the unknown volatile liquid? Would it be higher or lower? Explain.
- 1.) While performing the Dumas experiment, if the outside of the flask were not completely dry (Part I), how would this affect the calculated molar mass of the unknown volatile liquid? Would it be higher or lower? Explain. 2.) While determining the pressure during the Dumas experiment, if the barometric pressure reported were lower than the actual vapor pressure (Part I), how would this error affect the calculated molar mass of the unknown volatile liquid? Explain. 3.) While determining the volume during this experiment (Part II), if the total volume of the flask were incorrectly reported as 125 mL, how would this error affect the calculated molar mass of the unknown volatile liquid? Explain. 4.) Calculate the number of moles of Argon gas contained in a 4.00 dm3 container at 620. kPa and 25.0 oC. If the gas is Helium instead of Argon, will the answer change? Explain. 5.) In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a volatile liquid…Why is it not necessary to dry the Erlenmeyer flask between each trial?Why must the flask be dry before it is heated in the hot water bath ?