During potions class, Prof. Snape asks the students to brew the "Pyromaniac's Elixir", a potion which shines brightly with a red light when shaken. For this purpose, the students need to burn 1.5 kg of lithium in their cauldrons. a. Write down the reaction equation and determine the oxidation states. b. If the students were to weigh their reaction products, how heavy would they be? c. Hermione is particularly sceptical of this potion, as the students are located in a small classroom in the dungeons, which has a volume of roughly 13 m³. How much oxygen is being consumed in this reaction at 1 atm and 25 °C? Assuming a low ventilated Hogwarts dungeon with an oxygen content of 20 vol%, is Hermione right in assuming the students would suffer from an oxygen undersupply?

During potions class, Prof. Snape asks the students to brew the "Pyromaniac's Elixir", a potion which shines brightly with a red light when shaken. For this purpose, the students need to burn 1.5 kg of lithium in their cauldrons. a. Write down the reaction equation and determine the oxidation states. b. If the students were to weigh their reaction products, how heavy would they be? c. Hermione is particularly sceptical of this potion, as the students are located in a small classroom in the dungeons, which has a volume of roughly 13 m³. How much oxygen is being consumed in this reaction at 1 atm and 25 °C? Assuming a low ventilated Hogwarts dungeon with an oxygen content of 20 vol%, is Hermione right in assuming the students would suffer from an oxygen undersupply?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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During potions class, Prof. Snape asks the students to brew the "Pyromaniac's Elixir",
a potion which shines brightly with a red light when shaken. For this purpose, the
students need to burn 1.5 kg of lithium in their cauldrons.
a. Write down the reaction equation and determine the oxidation states.
b. If the students were to weigh their reaction products, how heavy would they be?
c. Hermione is particularly sceptical of this potion, as the students are located in a
small classroom in the dungeons, which has a volume of roughly 13 m³. How much
oxygen is being consumed in this reaction at 1 atm and 25 °C? Assuming a low
ventilated Hogwarts dungeon with an oxygen content of 20 vol%, is Hermione right
in assuming the students would suffer from an oxygen undersupply?

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Step 4: c. Determining whether the oxygen supply is sufficient-part 1

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