. Huyền phù đất sét trong nước gồm các hạt hình cầu có đường kính 10-5 m chiếm 30% khối lượng, phần còn lại là các hạt có đường kính 5.10-5 m. Tính bề mặt riêng và độ phân tán của hệ.

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.