Which of these is a major drawback of using fuel cells in a car? a lack of hydrogen filling stations
a drop in reliance on petroleum products
an increase in water vapor into the atmosphere
an increase in the use of rechargeable batteries

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

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?