What’s an example where heat speeds up the process of evaporation? plzz help

How will the emission of an alpha particle affect the atomic number of an atom

Define dew point. i am writing this part to be able to ask the question

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.