Question 7 The chemical equation below shows what happens when methane and oxygen react to form carbon dioxide and water.
CH4 + 202 - CO2 + 2H20
Using the chemical equation, how many elements are involved in this chemical reaction?

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

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?