Classify each of the following as a physical or chemical change. For any chemical change list at least one clue to support your answer. a. A copper wire is bent. b. Charcoal burn in a grill. c. Bread dough rises when yeast is added. d. Sugar dissolves in water.

Figure 10-1 study figure 10-1. the strong nuclear force felt by a single proton in a large nucleus

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?