Asolid with a density of 3.57g/ml and mass of 19.5g is added to a graduated cylinder that contain 23.2ml of water. what is the volume of the liquid once the solid is dropped in the cylinder?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Which of the following units is not an official si unit

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?