How to solve this compound question?

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Discussion Overview

The discussion revolves around a chemistry problem involving the reaction between iron and oxygen to produce iron(III) oxide (Fe2O3). Participants explore how to calculate the required amounts of iron and oxygen to produce a specific mass of the product, including conversions between moles, grams, and liters.

Discussion Character

  • Homework-related, Mathematical reasoning

Main Points Raised

  • One participant presents the balanced chemical equation for the reaction: 2Fe + 3O2 → 2FeO3.
  • Another participant emphasizes the importance of understanding how to read reaction equations as a foundational step.
  • A participant notes that 3 moles of O2 can react with 2 moles of Fe and seeks clarification on converting the volume of a gas into grams.
  • One participant introduces the ideal gas law (pV=nRT) as a method to relate pressure, volume, and moles of gas.
  • A participant mentions using the volume of 22.4 liters per mole of gas to find the weight of each mole.
  • Another participant prompts the original poster to think independently about calculating the number of moles of the product and the required moles of reactants.

Areas of Agreement / Disagreement

Participants do not reach a consensus, as the discussion involves varying levels of understanding and different approaches to solving the problem.

Contextual Notes

Some participants express uncertainty about the steps needed to convert between grams and liters, and there are unresolved questions regarding the calculations required to determine the amounts of reactants needed.

transgalactic
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i got this formula

<br /> 2Fe +3O_2 -&gt; 2FeO_3<br />

how many grams of Fe and litters of oxigen do i need
in order to get 0.5 kilogram of

<br /> Fe_2O_3<br />

i can find how much grams weighs each mole of each molecule?

i don't know how to do the rest

??
 
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ok i understand
3 moles of
<br /> O_2<br />
can react at most with 2 moles of Fehow do i transform the volume of a gas into grams?
 
pV=nRT, ideal gas equation.
 
ok by pst 22.4 litters for every mole of gas
i can find the weight of each mole
what now?
 
Now you start thinking on your own, we are not here to spoonfeed you.

How many moles of product?

How many moles of reactants needed?
 

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