¿Aproximadamente para que año Aristóteles mencionó la teoría de los 4 elementos?

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

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

In apex! a liquid heated beyond a certain temperature becomes