The heat of fusion of water is 80 cal/
g. how much energy is needed to melt 0.05 kg of ice?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

What does x represent in the formula for the compound xcl4?

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.