'rocks and other materials are neither created nor destroyed. however, they change from one form to another.' in your own words, justify this statement with the of a model

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

How do you determine the percent yield of a chemical reaction