What three things were a result of the fall or Rome

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Which of the following is most likely true about water in chemical solutions?

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