How many moles of CaBr, would be present if there are 18.773 grams of CaBr2? (Must Show all work and answer here)

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest