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SOLVED:Chromium metal reacts with oxygen to give chromium(III) oxide, Cr2 O3 (a) Write a balanced equation for the reaction. (b) If a piece of chromium has a mass of 0.175 g, what mass (in grams) of Cr2 O3 is produced if the metal is converted completely to the oxide? (c) What mass of O2 (in grams) is required for the reaction?

SOLVED:Chromium metal reacts with oxygen to give chromium(III) oxide, Cr2 O3 (a) Write a balanced equation for the reaction. (b) If a piece of chromium has a mass of 0.175 g, what mass (in grams) of Cr2 O3 is produced if the metal is converted completely to the oxide? (c) What mass of O2 (in grams) is required for the reaction?

2020年5月12日

[Hot Item] อนุภาคนาโนแบบกลม 99.9 เปอร์เซ็นต์ของการขายแบบร้อน Cr2o3 ผงโครเมียมสีเขียว Oxide สำหรับการเคลือบ

[Hot Item] อนุภาคนาโนแบบกลม 99.9 เปอร์เซ็นต์ของการขายแบบร้อน Cr2o3 ผงโครเมียมสีเขียว Oxide สำหรับการเคลือบ

made-in-china.com

[Hot Item] Quality Assurance 100-200nm 99.999% Nanometer Chromium Oxide, Cr2o3. H2O, CAS: 12182-82-0

[Hot Item] Quality Assurance 100-200nm 99.999% Nanometer Chromium Oxide, Cr2o3. H2O, CAS: 12182-82-0

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A chemist uses hot hydrogen gas to convert chromium(III) oxide to pure chromium. How many grams of hydrogen are needed to convert 76 grams of chromium(III) oxide, Cr2O3?Cr2O3 3H2 -> 2Cr 3H2O

A chemist uses hot hydrogen gas to convert chromium(III) oxide to pure chromium. How many grams of hydrogen are needed to convert 76 grams of chromium(III) oxide, Cr2O3?Cr2O3 3H2 -> 2Cr 3H2O

2022年8月14日

A green oxide of chromium A on fusion with KOH and KNO3, gives a yellow compound B. The aqueous solution of B on acidification with diluted H2SO4 gives an Orange coloured compound C. Identify A,B,C and write down balanced chemical equations involved. - bbl5bbbb

A green oxide of chromium A on fusion with KOH and KNO3, gives a yellow compound B. The aqueous solution of B on acidification with diluted H2SO4 gives an Orange coloured compound C. Identify A,B,C and write down balanced chemical equations involved. - bbl5bbbb

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VIDEO solution:Chromium is obtained by heating chromium(III) oxide with carbon. Calculate the weight percent of chromium in the oxide and then use this value to calculate the quantity of Cr2 O3 required to produce 850 kg of chromium metal. | Numerade

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SOLVED: In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to produce chromium and aluminum oxide. If 23.3 g of chromium is produced, what mass of aluminum oxide is produced?

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Write a balanced equation for each of the following decomposition reactions: (a) Chromium(III) carbonate decomposes with heat to give solid chromium(III) oxide and carbon dioxide gas. (b) Lead(IV) carbonate decomposes with heat to give solid lead(IV) oxide and carbon dioxide gas. | Numerade

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