When methane (ch4) gas is burned in the presence of oxygen, the following chemical reaction occurs.
ch4+2o2 -> co2+2h2o
if excess methane reacts with 2 moles of oxygen, the how many particles of water are produced?

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

An experimental procedure requires a 10 ml of acid to be dissolved

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here