Answer the following questions about the chemical reaction: C3H8(g) + 5 O2(g) à 3 CO2(g) + 4 H2O(g)

If 4 moles of propane (C3H8) react, how many moles of carbon dioxide are produced?

a
4
b
12
c
16

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.