Consider this reaction: Upper K Upper O Upper H Upper H Upper B 4 right arrow Upper K Upper B r Upper H Subscript 2 Baseline Upper O Which is the acid in this reaction? KOH HBr KBr H2O.

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.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.