3 1 point
In the following reaction, what is the ratio of moles of oxygen used to moles of CO produced?
2 CO
+ O2 --> 2 CO2

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments