High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.
(b) Another common superconducting oxide is made by heating a mixture of barium carbonate, copper(II) oxide, and yttrium(III) oxide, followed by further heating in O₂:
4BaCO₃(s) + 6CuO(s) + Y₂O₃(s) → 2YBa₂Cu₃O₆.₅ (s) + 4CO₂ (g)
2YBa₂Cu₃O₆.₅ (s) + 1/2 O₂ (g) → 2YBa₂Cu₃O₇(s)
When equal masses of the three reactants are heated, which reactant is limiting?

Question

23-08-2022
Chemistry

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High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.
(b) Another common superconducting oxide is made by heating a mixture of barium carbonate, copper(II) oxide, and yttrium(III) oxide, followed by further heating in O₂:
4BaCO₃(s) + 6CuO(s) + Y₂O₃(s) → 2YBa₂Cu₃O₆.₅ (s) + 4CO₂ (g)
2YBa₂Cu₃O₆.₅ (s) + 1/2 O₂ (g) → 2YBa₂Cu₃O₇(s)
When equal masses of the three reactants are heated, which reactant is limiting?

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Tutorconsortium357 Tutorconsortium357 · Answer 1 · 2022-08-29T13:17:56+02:00

The main class of high-temperature superconductors are in the class of copper oxides (only some particular copper oxides) especially the Rare-earth barium copper oxides (REBCOs) such as Yttrium barium copper oxide (YBCO).

What superconducting material works with the highest temperature?

As of 2020, the material with the highest accepted superconducting temperature is an extremely pressurized carbonaceous sulfur hydride with a critical transition temperature of +15°C at 267 GPa.

How do high-temperature superconductors work?

High-temperature superconductivity, the ability of certain materials to conduct electricity with zero electrical resistance at temperatures above the boiling point of liquid nitrogen, was unexpectedly discovered in copper oxide (cuprate) materials in 1987.

Learn more about high temperature superconductors here:

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What superconducting material works with the highest temperature?

How do high-temperature superconductors work?

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