cho 10g cuo tác dụng vừa đủ với 500ml dung dịch axit clohidric a) Tính khối lượng muối tạo thành b) Tính đồng độ mol của dung dịch axit clohidric

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 you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Compare and contrast physical changes with chemical changes.