Which statement describes the particle that make up the rigid structure of a 3 dimensional crystalline structure A. they move more quickly then the particles in the liquid of the substance
B. they move more quickly then the particles in the gas of the substance
C. they move around freely to various locations in random patterns
D. they move by vibrating in their locations within a fixed location

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

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.

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?