Jon rides his bike for 10 minutes and travels 5 km. What is Jon's average speed? You do not need to include units with your answer.

Which of these conditions most likely produces an unstable isotope?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

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.