Which of the following areas is the most efficient at generating electricity from wind energy? a

windmills on the plains
b

windmills offshore
c

windmills in the hills
d

their efficiency is all the same

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon