A 60.0 mL sample of oxygen gas is collected over water at 25.0 degrees C. The total pressure inside the tube is 785.0 mm HG. The vapor pressure of water at 25.0 degrees C is 23.8 mm Hg. What is the pressure of the oxygen gas?

Which best describes why nh4+ can form an ionic bond with cl-?

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

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.