In this case, Sublimation, evaporation and melting are endothermic reactions (gain energy from the environment) while, freezing, deposition and condensation are exothermic (loss of energy to the surroundings) reactions.
C. The number of F atoms in the reactants equals the number of F atoms in the products.
Answer:
7.5 miles
Explanation:
0.25 hours=15minutes.
So you do
30 miles=60minutes
x =15minutes
cross multiply
Ans-7.5