Vehicle emissions devices incorporate a chemical reaction to control carbon monoxide pollution: 2co+ o2-> 2co2
what effect does adding a catalyst have for this reaction?
•it produces more carbon monoxide.
•it converts carbon monoxide faster.
•it keeps carbon monoxide from teacting.
•it keeps carbon dioxide from reacting.

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Can someone me with 1 to 4 plz. fast

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.