Given the reaction 4NH3(g) + 5O2(g) = 4NO9(g) + 6H2O(g)
At constant pressure, how many liters of O2(g) would be required to produce 40 liters of NO(g)

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x