To afford cathodic protection to an iron object, a metal must be to reduce (have a more reduction potential) than F e 2 + .

The E r e d ∘ for C d 2 + is , while the E r e d ∘ for F e 2 + is . Therefore, the coating of cadmium protect iron by cathodic protection.

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.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Define dew point. i am writing this part to be able to ask the question