1. The reaction between aluminum and iron(II) oxide can generate temperatures approaching 3000°Cand is used in welding metals:2A1 + Fe:(),Al:0; + 2FeIn one process, 124 g of Al are reacted with 601 g of Fe203. (a) Which is the limiting and excessreactant in the given reaction? (b)Calculate the mass (in grams) of Al203 formed.2. The depletion of ozone (03) in the stratosphere has been a matter of great concern among scientistsin recent years. It is believed that ozone can react with nitric oxide (NO) that is discharged from thehigh altitude jet plane, the SST. The reaction is:0, - NO• 11: + NO:If 0.740 g of 03 reacts with 0.670 g of NO, how many grams of NO2 will be produced? Which compoundis.the limiting reagent?3. Consider the reaction:Mn(), + 4HC1MnCl, + Cl, - 2H4). ..If 0.86 mole of Mn02 and 48.2 g of HCl react, which reagent will be used up first? How many grams ofClz will be produced?

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1. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals: 2A1 + Fe;O, ---► Al-O, + 2Fe In one process, 124 g of Al are reacted with 601 g of Fe203. (a) Which is the limiting and excess reactant in the given reaction? (b)Calculate the mass (in grams) of Al203 formed.

1. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals: 2A1 + Fe;O, ---► Al-O, + 2Fe In one process, 124 g of Al are reacted with 601 g of Fe203. (a) Which is the limiting and excess reactant in the given reaction? (b)Calculate the mass (in grams) of Al203 formed.

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

1. The reaction between aluminum and iron(II) oxide can generate temperatures approaching 3000°C
and is used in welding metals:
2A1 + Fe:(),
Al:0; + 2Fe
In one process, 124 g of Al are reacted with 601 g of Fe203. (a) Which is the limiting and excess
reactant in the given reaction? (b)Calculate the mass (in grams) of Al203 formed.
2. The depletion of ozone (03) in the stratosphere has been a matter of great concern among scientists
in recent years. It is believed that ozone can react with nitric oxide (NO) that is discharged from the
high altitude jet plane, the SST. The reaction is:
0, - NO
• 11: + NO:
If 0.740 g of 03 reacts with 0.670 g of NO, how many grams of NO2 will be produced? Which compound
is.the limiting reagent?
3. Consider the reaction:
Mn(), + 4HC1
MnCl, + Cl, - 2H4)
. ..
If 0.86 mole of Mn02 and 48.2 g of HCl react, which reagent will be used up first? How many grams of
Clz will be produced?

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