How much heat is required to warm 225 g of ice from - 46.8°C to 0.0°C, melt the ice, warm the water from
0.0°C to 100.0°C, boil the water, and heat the steam to
173.0°C?

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.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Which of the following units is not an official si unit? mole liter kilogram ampere