What special precaution must be taken in the method for Part 1 when the weight is dropped onto the moving trolley and why? What is the mistaken tendency, that often occurs when someone does this measurement for the first time?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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 statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull