The energy of formation of Schottky defects in a crystal of CaO is given as 6.1 eV. Calculate the number of Schottky defects present in CaO at 1000C and 2000C. How many vacancies are present at these temperatures

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Once similarity and one difference between a mixture of elements and a mixture of compounds