PLEASE ANSWER FAST!! A 450 ml gas sample has a pressure of 1.25 atm at 65 °C. What is the temperature, in °C, at which the gas will expand to 865mL with a pressure of 0.89 atm?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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.