Aluminium and iron oxide (Fe2O3) react together to produce aluminium oxide (Al2O3). The equation for the reaction is:
2Al + Fe2O3 β Al2O3 + 2Fe
Calculate the mass of iron that is produced by reacting 20 g of iron oxide with an excess of aluminium.
Relative atomic masses (Ar): Al = 27, O = 16, Fe = 56.
Answers: 1
Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
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Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2β’2h2o sncl2β’4h2o sncl2β’6h2o
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Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82β + 3i β (aq) β 2so42β + i3β expt. # [s2o82β] (m) [i β] (m) initial rate 1 0.038 0.060 1.4 Γ 10 β 5 m/s 2 0.076 0.060 2.8 Γ 10 β 5 m/s 3 0.076 0.030 1.4 Γ 10 β 5 m/s the rate law for this reaction must be:
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Chemistry, 23.06.2019 06:50
Organisms are classified as producer or consumers according to the way they ?
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Aluminium and iron oxide (Fe2O3) react together to produce aluminium oxide (Al2O3). The equation for...
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