In europe, gasoline efficiency is measured in km/l. if your car's gas mileage is 23.0 mi/gal , how many liters of gasoline would you need to buy to complete a 142-km trip in europe? use the following conversions: 1km=0.6214mi and 1gal=3.78l

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which fact represents evidence for the big bang theory?

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.