Which formula represents a compound that is formed primarily by sharing electrons?

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]