In a laboratory experiment, john uses a message to seperate soil particles from water . which technique separation which technique of separation is he using

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.