How much heat (J) is required to heat a 100.0 g aluminum block from -5 °C to 25 °C? Plz help me!!!

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 three statements represent the benefits of performing experiments using computer simulations?

Salt in oceans comes from and of rocks