What coefficient of o2 is needed to balance the equation c3h8 + o2 —> 3co2 + 4h20? a. 2 b. 3 c. 5 d. 6

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?