What must happen to uranium before it can be used as a fuel source?

Which statement is true about ionic compounds?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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.