Which changes will increase the rate of reaction during combustion?
A) decreasing the area of contact between the reactants
B) adding more oxygen to the reaction
C) removing heat from the reaction
D) changing the reactants from solid form to powdered form
E) lowering the exposure of the reactants to air
SELECT ALL THE CORRECT ANSWERS

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.