A student finds that the weight of an empty beaker is 14.04 g. She places a solid in the beaker to give a combined mass of 14.14 g. To how many significant figures is the mass of the solid known?

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?