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A sample of iron weighing

A sample of iron weighing 111.6 g was subjected to heating, experiencing a temperature increase from 0°C to 20°C. The sample
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(Iron ore is impure Fe_2O_3. When Fe_2O_3 is heated with an excess of carbon (coke), metallic iron and carbon monoxide gas are
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2. asked by Inni
3. 4,072 views
hemoglobin is the oxygen-carrying molecule of red blood cells,consisting of a protein and a nonprotein substance is called
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2. asked by mogau
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Hemoglobin is the oxygen carrying molecule of red bloods and contains 4 atoms of iron per molecule of hemoglobin. A sample of
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2. asked by Sierra
3. 866 views
A 0.446-gram sample of iron ore is dissolved in HCl and the iron (Fe solid) is reduced to Fe2+. The solution is then titrated by
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2. asked by Kayla
3. 630 views
A 0.5962g sample of iron ore is dissolved in acid producing Fe3+. Through a series of reactions, the iron precipitates as the
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2. asked by Chris
3. 2,170 views
A 70g sample of iron ore(Fe2O3) was analyzed for Iron and found to contain 1700 Fe. Calculate the percentage of iron in the
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2. asked by JOSEPH BANDA
3. 596 views
A 7.7 g sample of iron ore is treated as follows.The iron in the sample is all converted by a series of chemical reactions to
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2. asked by Jacky :)
3. 905 views
A 12.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to
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2. asked by Hayd
3. 569 views
A 37.5 g sample of iron ore is treated asfollows. The iron in the sample is all converted by a series of chemical reactions to
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2. asked by Anonymous
3. 575 views