Mercury metal is poured into a graduated cylinder that holds exactly 22.5mL. the mercury used to fill the cylinder weighs 306.0g, calculate the density.

Agalvanometer has an internal resistance of 100 ω and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Which is not true about oxygen-17 and oxygen-18?