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

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

If two objects at different te,peraure are in contact with each other what happens to their temperature