Sodium niobate NaNbO3 is the parent compound of a number of technologically importantdielectric materials. For example potassium substitution yields a promising piezoelectric.NaNbO3 is made at high temperatures by reaction of Na₂O and Nb₂O5. The high temperaturephase possesses an ideal perovskite structure, while at lower temperatures a number of distortedperovskite polymorphs are observed.(a) With the aid of suitable sketches describe in detail the solid state reaction of Na₂O andNb₂O5 to form NaNbO3.

Sodium niobate (NaNbO3) stands as a pivotal compound in the realm of dielectric materials,…

Sodium niobate NaNbO3 is the parent compound of a number of technologically important dielectric materials. For example potassium substitution yields a promising piezoelectric. NaNbO3 is made at high temperatures by reaction of Na₂O and Nb2O5. The high temperature phase possesses an ideal perovskite structure, while at lower temperatures a number of distorted perovskite polymorphs are observed. (a) With the aid of suitable sketches describe in detail the solid state reaction of Na₂O and Nb₂O5 to form NaNbO3.

Sodium niobate NaNbO3 is the parent compound of a number of technologically important dielectric materials. For example potassium substitution yields a promising piezoelectric. NaNbO3 is made at high temperatures by reaction of Na₂O and Nb2O5. The high temperature phase possesses an ideal perovskite structure, while at lower temperatures a number of distorted perovskite polymorphs are observed. (a) With the aid of suitable sketches describe in detail the solid state reaction of Na₂O and Nb₂O5 to form NaNbO3.

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...

See similar textbooks

Similar questions

Which allotropic form of carbon are conductor and which are non conductor's and why?
4) What is metallic glass? Describe the features that promote high glass-forming ability in metals.
(a) Why electrical conductivity of the semiconductor increases with increase in temperature? Illustrate and explain the above effect with hypothetical band energy diagrams, showing one at 25 °C and another at 50 °C? (b) The number average molecular weight of polyvinyl chloride (PVC) is 110000 g/mol and the Polydispersity index (PDI) is 1.3. What is the weight average molecular weight and degree of polymerization of PVC? Note: Molar mass of vinyl chloride is 62.498 g/mol
Is it possible to use mesoporous silica nanoparticles (nano carriers)as support of catalysts or bio catalysis for the remediation of pesticides/herbicides applied to soil environment? Thanks
(a) What does the term diamagnetism mean? (b) How doesa diamagnetic substance respond to a magnetic field?(c) Which of the following ions would you expect to bediamagnetic: N22 -, O22 -, Be22 + , C2-?
8/ Orthoclase is an example of framework silicate structure: True False
Write balanced equations for the thermal decomposition of potassium nitrate (O₂ is also formed in both cases): (a) at lowtemperature to the nitrite; (b) at high temperature to the metaloxide and nitrogen.
The U.S. Department of Energy has set the benchmark of 6% H by weight for an acceptable hydrogen storage material. Consider the following possible metals that form hydride phases: NaAlH4, LiAlH4, LaNi5H6, and TiFeH2. Which meet the DOE standard.
Beryllia (BeO) ceramics have some use but show only poor resistance to strong acids and bases. Write likely chemical equations for the reaction of BeO with a strong acid and with a strong base.