The equation below is unbalanced. C3H8+O2-> CO2+H2O

When the equation below is correctly balanced, what is the coefficient of O2?

A. 2
B. 3
C. 4
D. 5

Please answer

What is the chemical formula of the following compound

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Describe the interaction that occurs between two objects with the same electrical charge.